1022-00004 · Northgate Telecommunications PLC · Research & Strategy

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ATTORNEY-CLIENT PRIVILEGED / ATTORNEY WORK PRODUCT

MEMORANDUM

FROM: James Underwood, Associate, Calderwood & Harkness LLP

TO: Renata Vasquez, Partner, Calderwood & Harkness LLP

DATE: June 7, 2024

RE: Section 280G Parachute Payment Analysis — Preliminary Framework; Northgate Telecommunications PLC — CEO Employment Agreement for Marcus Elliot Harding

MATTER NO.: 1022-00004

This memorandum is protected by the attorney-client privilege and constitutes attorney work product prepared in anticipation of litigation and/or in connection with the provision of legal advice. This document is strictly confidential and is intended solely for the use of the addressee. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this memorandum in error, please notify the sender immediately and destroy all copies.

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I. Purpose and Summary

The purpose of this memorandum is to provide a preliminary analytical framework for evaluating the Section 280G parachute payment implications arising from the proposed CEO employment agreement between Northgate Telecommunications US, Inc. ("NTP US"), the wholly-owned Delaware subsidiary of Northgate Telecommunications PLC ("Northgate" or "NTP"), and Marcus Elliot Harding ("Harding"). This memorandum is intended to inform the negotiation strategy of Northgate's Board of Directors and Remuneration Committee as we approach the initial term sheet circulation, which is currently anticipated for June 10, 2024.

Harding is currently the President and Chief Operating Officer of Marlowe Asset Management Digital Holdings, Inc. (NYSE: VDHI), a Delaware corporation headquartered at 200 Technology Way, Suite 4000, San Jose, California 95110. He has been identified as the preferred candidate for the Chief Executive Officer role at Northgate Telecommunications PLC (LON: NTP; NYSE ADR: NTPC). The proposed employment agreement will be governed by New York law, with the employing entity being NTP US, a Delaware corporation with its principal offices at 600 Lexington Avenue, 38th Floor, New York, New York 10022. NTP US serves as the primary US operational subsidiary and will be the party to the employment agreement, though Harding's role as group CEO will extend to the entire Northgate global enterprise.

This memorandum is being prepared at an early stage — prior to the initial term sheet circulation — to ensure that Section 280G considerations are integrated into the negotiation strategy from the outset. In particular, the interaction between Section 280G and the change-in-control ("CIC") severance provisions, equity acceleration terms, and ancillary benefits requires careful calibration. The economic significance of these provisions, and the potential for excise tax exposure, makes it imperative that Northgate's negotiating team understands the Section 280G landscape before presenting the initial term sheet to Harding's counsel at Hargrove & Liddell LLP.

Key Conclusion. Under Harding's anticipated demand for a 3x CIC multiplier with full Section 280G tax gross-up, the estimated excise tax exposure to Northgate could range from approximately $4.2 million to $6.8 million (reflecting the cost of fully grossing up the Section 4999 excise tax, including the income taxes on the gross-up payment itself). A "best-net" cutback approach would eliminate this exposure entirely, but may reduce Harding's after-tax receipts in certain scenarios. Preliminary modeling suggests, however, that the after-tax outcomes under a full-payment-without-gross-up scenario and a best-net cutback scenario are roughly equivalent from Harding's perspective, making the gross-up demand largely a matter of principle and optics rather than meaningful economic difference.

Recommendation. We recommend that Northgate propose a best-net safe harbor cutback provision (with no tax gross-up) in the initial term sheet. This approach is consistent with current market trends among S&P 500 and FTSE 100 companies, aligns with ISS proxy advisory guidance, and avoids the significant governance and shareholder-relations risks associated with tax gross-ups. This framework should be coordinated with Dr. Rachel Whitmore at Whitmore Hobson LLP (Northgate's independent compensation consultant) for peer-group benchmarking and reasonable compensation valuation purposes, and with Galloway & Partners (NTP's auditors, lead audit partner Clive Warburton) for equity accounting treatment under ASC 718 (US GAAP) and IFRS 2 (the accounting standard applicable to NTP's consolidated financial statements).

The sections that follow set forth the statutory framework of Section 280G, apply that framework to the specific facts of Harding's anticipated compensation package, model the excise tax exposure under various scenarios, and provide preliminary recommendations for the negotiation strategy.

II. Overview of Section 280G Framework

A. Statutory Background

Section 280G of the Internal Revenue Code of 1986, as amended (the "Code"), operates in conjunction with Section 4999 of the Code to impose significant tax penalties on certain payments made to executives in connection with a change in control of a corporation. Specifically, Section 280G disallows the employer's tax deduction for "excess parachute payments," while Section 4999 imposes a non-deductible 20% excise tax on the recipient of such payments. These provisions were enacted as part of the Deficit Reduction Act of 1984 and were intended to discourage the use of so-called "golden parachute" arrangements that were perceived to facilitate hostile takeovers and enrich executives at shareholder expense.

The practical effect of Sections 280G and 4999 is twofold. First, the employer — in this case, NTP US as the paying entity — loses the ability to deduct the excess parachute payment for federal income tax purposes. For a corporation subject to a 21% federal corporate income tax rate, this lost deduction translates to a meaningful increase in the after-tax cost of the payment. Second, the executive — Harding — would be subject to a 20% excise tax on the excess parachute payment amount, in addition to all regular federal, state, and local income taxes. This excise tax is not deductible by the executive and is imposed without regard to the executive's ability to pay.

The Section 280G framework applies to publicly traded companies and their affiliates. Northgate, through its US subsidiary NTP US, is subject to these provisions by virtue of NTP's listing on the London Stock Exchange and its cross-listing on the New York Stock Exchange (via American Depositary Receipts). It is important to note at the outset that the Section 280G shareholder approval exemption — which is available to certain private companies and permits the avoidance of parachute payment treatment through a vote of disinterested shareholders — is not available in this case. NTP US is a subsidiary of a publicly traded parent (Northgate Telecommunications PLC), and the shareholder approval exemption under Treasury Regulation Section 1.280G-1, Q&A-7, is limited to corporations whose stock is not readily tradeable on an established securities market. Because NTP's ordinary shares are traded on the London Stock Exchange and its ADRs are traded on the NYSE, neither Northgate nor NTP US qualifies for this exemption.

B. Key Defined Terms

An accurate application of the Section 280G framework requires a precise understanding of several key defined terms, each of which is discussed below as it relates to the Harding employment agreement.

"Disqualified Individual." Under Section 280G(c) and the Treasury Regulations thereunder, a "disqualified individual" is any individual who, with respect to a corporation, is an employee, independent contractor, or other person specified in regulations, and who is (i) a shareholder owning more than 1% of the fair market value of the outstanding stock of the corporation, (ii) an officer of the corporation, or (iii) a "highly compensated individual" (generally, an individual among the highest-paid 1% of employees or, if less, the highest-paid 250 employees). Harding, as the incoming CEO of Northgate Telecommunications PLC (and an officer and employee of NTP US), will unquestionably be a "disqualified individual" upon commencement of his employment. It should be noted, however, that his status during the period between execution of the employment agreement and his proposed start date (October 1, 2024) should also be analyzed. If Harding is treated as an employee or officer from the date of execution of the agreement (or from the date of the Board's appointment), payments contingent on a change in control occurring during that interim period could be subject to Section 280G. We will monitor this issue as the agreement is drafted.

"Parachute Payment." Section 280G(b)(2) defines a "parachute payment" as any payment in the nature of compensation to (or for the benefit of) a disqualified individual if (i) such payment is contingent on a change in the ownership or effective control of the corporation (or in the ownership of a substantial portion of the assets of the corporation), and (ii) the aggregate present value of such payments equals or exceeds three times the individual's "base amount." The concept of "contingent on" a change in control is interpreted broadly under the Treasury Regulations and encompasses not only payments that are directly triggered by a CIC but also payments whose timing, amount, or vesting is accelerated or otherwise modified in connection with a CIC. This broad interpretation is particularly relevant to equity acceleration provisions, as discussed in Section III.C below.

"Change in Control." For Section 280G purposes, the Treasury Regulations define a "change in control" as: (a) a change in the ownership of the corporation, which generally occurs when any one person or group acquires more than 50% of the total fair market value or total voting power of the stock of the corporation; (b) a change in the effective control of the corporation, which generally occurs when any one person or group acquires more than 30% of the total voting power of the stock of the corporation, or when a majority of the members of the corporation's board of directors is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the members of the board prior to the date of the appointment or election; or (c) a change in the ownership of a substantial portion of the corporation's assets, which generally occurs when any one person or group acquires assets from the corporation having a total gross fair market value equal to more than 40% of the total gross fair market value of all of the corporation's assets immediately before such acquisition.

It is critical to note that the contractual definition of "change in control" in the employment agreement and the Section 280G definition of "change in control" need not be — and frequently are not — identical. Payments triggered under a contractual CIC provision that happens to coincide with a Section 280G "change in control" event will be subject to the parachute payment analysis. Conversely, payments triggered by a contractual CIC event that does not meet the Section 280G threshold would not be treated as parachute payments (though they may raise other issues, including under Section 409A, as discussed in Section VIII below). The interaction between the contractual definition and the statutory definition is addressed in greater detail in Section VI.

"Base Amount." Under Section 280G(b)(3), the "base amount" is the individual's average annualized includible compensation for federal income tax purposes for the most recent five taxable years ending before the date of the change in control (or, if the individual has been employed by the corporation for fewer than five years, the average annualized includible compensation for the individual's period of service). "Includible compensation" is the amount reported on the individual's Form W-2 (or its equivalent), which includes base salary, annual bonuses, and the value of equity compensation upon vesting. For Harding, the base amount will be calculated using his W-2 compensation from Marlowe Asset Management Digital Holdings, Inc. for the taxable years 2019 through 2023, as he will not yet have any compensation history with NTP US at the time the employment agreement is entered into. The calculation of Harding's base amount is addressed in detail in Section III.A below.

C. Threshold Test (3x Base Amount)

The Section 280G excise tax is triggered only if the aggregate present value of all parachute payments to the disqualified individual equals or exceeds three times the individual's base amount. If the aggregate present value of all parachute payments is less than three times the base amount, no excise tax is imposed under Section 4999, and no corporate deduction is lost under Section 280G. This threshold operates as a bright-line test — a "cliff" — rather than a graduated phase-in.

If the threshold is exceeded — that is, if the aggregate present value of all parachute payments equals or exceeds three times the base amount — the excise tax under Section 4999 applies to the "excess parachute payment." The "excess parachute payment" is the amount by which the total parachute payments exceed one times the base amount (not the amount by which they exceed three times the base amount). This is a critical and often misunderstood feature of the statute: the 3x threshold is merely a trigger, and once triggered, the excise tax applies to all payments in excess of 1x the base amount.

This cliff effect creates a significant structural incentive to manage aggregate parachute payments carefully. There are two principal strategies: (a) keeping aggregate parachute payments below the safe harbor (i.e., below 3x the base amount, specifically at $1 less than 3x), or (b) if the aggregate payments will inevitably exceed the 3x threshold, determining whether a gross-up or a cutback is more economically efficient for both the employer and the executive. The analysis of these alternatives is the central focus of this memorandum and is addressed in Section V below.

III. Application to Marcus Elliot Harding

A. Base Amount Calculation

The calculation of Harding's "base amount" under Section 280G(b)(3) requires determination of his average annualized includible compensation (as reported on Form W-2) for the five most recent taxable years ending before the date of any change in control. Because Harding is not yet an employee of NTP US, the relevant compensation history is his compensation from Marlowe Asset Management Digital Holdings, Inc. for the taxable years 2019 through 2023.

Based on preliminary information provided by Harding's counsel — Victoria Hargrove (partner) and Nathan Chu (associate) at Hargrove & Liddell LLP — during initial discussions, Harding's average annual W-2 compensation from Marlowe Asset Management Digital Holdings for the five-year period 2019–2023 is estimated at $7,840,000. This figure reflects his total includible compensation as President and Chief Operating Officer of Marlowe Asset Management, including the following principal components:

• Base salary: $1,450,000 per year (current rate; base salary was lower in earlier years of the measurement period)

• Annual bonus (target): 150% of base salary = $2,175,000 at target (actual bonus payouts varied year-over-year based on company and individual performance)

• Vesting equity compensation: RSU and PSU awards that vested during each taxable year, the value of which is included in W-2 income at the time of vesting and is based on Marlowe Asset Management's share price on the applicable vesting dates

It is important to note that the base amount is based on W-2 includible compensation, not on the grant-date value of equity awards. As a result, the base amount may fluctuate meaningfully depending on Marlowe Asset Management's stock price at the time of vesting. If Marlowe Asset Management's stock price was significantly higher or lower in particular years, the year-by-year W-2 amounts could deviate substantially from the average. Additionally, certain items of compensation — such as contributions to qualified retirement plans and health insurance premiums — may or may not be includible in W-2 compensation depending on their specific nature and tax treatment.

Source and Verification. The $7,840,000 estimate was provided informally by Hargrove & Liddell during preliminary discussions and has not been independently verified. We strongly recommend that, if negotiations progress beyond the term sheet stage, Northgate request copies of Harding's actual Forms W-2 for the taxable years 2019 through 2023 (or, alternatively, a certification from Marlowe Asset Management's payroll department or tax compliance group confirming the W-2 amounts for each year). Any inaccuracy in the base amount could materially affect the safe harbor calculation and the excise tax exposure. For example, if the actual base amount is lower than $7,840,000, the safe harbor threshold would also be lower, increasing the risk that the aggregate parachute payments will exceed the 3x threshold. Conversely, if the actual base amount is higher, the safe harbor would be higher, potentially creating additional room for CIC-related payments without triggering the excise tax.

B. Safe Harbor Limit

The safe harbor limit under Section 280G is calculated as three times the base amount, minus one dollar. Based on the estimated base amount of $7,840,000:

3 × $7,840,000 = $23,520,000

Safe harbor limit = $23,520,000 − $1 = $23,519,999

If the aggregate present value of all parachute payments to Harding remains at or below $23,519,999, no excise tax is triggered under Section 4999, and no corporate deduction is lost under Section 280G. This figure represents the critical threshold for the "best-net" cutback analysis discussed in Section V below. Any parachute payment that causes the aggregate to equal or exceed $23,520,000 triggers the full excise tax on all amounts in excess of 1x the base amount ($7,840,000).

The magnitude of the safe harbor relative to Harding's anticipated compensation package is a significant concern. As detailed in the following subsection, the estimated total parachute payments under both Northgate's proposed terms and Harding's anticipated demands substantially exceed the safe harbor, making it highly unlikely that the aggregate payments can be kept below the 3x threshold without significant restructuring.

C. Identification of Potential Parachute Payments

The following categories of payments have been identified as potentially contingent on a change in control and therefore subject to inclusion in the parachute payment calculation under Section 280G. Each category is analyzed separately below.

1. CIC Cash Severance

The most significant single component of the parachute payment calculation is the CIC cash severance payment. This payment, which is triggered upon a qualifying termination of employment following a change in control (typically, involuntary termination without cause or resignation for good reason within a specified window), is calculated as a multiple of the sum of Harding's base salary and target annual bonus.

Under the proposed terms for Harding's employment agreement, his annual base salary will be $1,750,000 and his target annual bonus will be 175% of base salary, yielding a target bonus of $3,062,500. The sum of base salary and target bonus is therefore $4,812,500.

The two negotiating positions with respect to the CIC multiplier are as follows:

Northgate's anticipated initial proposal (2.5x): 2.5 × $4,812,500 = $12,031,250

Harding's anticipated demand (3x): 3 × $4,812,500 = $14,437,500

The gap between the two positions is $14,437,500 − $12,031,250 = $2,406,250. Harding's demand for a 3x multiplier is understood to be based on his existing CIC severance provision with Marlowe Asset Management Digital Holdings, which provides for 3x cash severance. Harding's counsel has informally indicated that a reduction below 3x would be viewed as a "step down" in CIC protection and would require offsetting concessions in other areas.

2. Accelerated Vesting of Equity Awards

Equity acceleration represents the second-largest component of the potential parachute payment. The proposed employment agreement contemplates three categories of equity awards, each of which would be subject to accelerated vesting upon a CIC:

Sign-on RSU Grant: Harding is expected to receive a sign-on RSU grant with a grant-date value of $12,000,000, subject to three-year ratable vesting (i.e., one-third of the RSUs vest on each of the first three anniversaries of the start date). Upon a CIC with qualifying termination (or, under Harding's anticipated demand, upon a CIC alone — "single trigger"), the unvested portion of the sign-on RSU grant would vest immediately. The value of the accelerated vesting depends on the timing of the CIC relative to the vesting schedule and the stock price at the time of vesting. For a CIC occurring approximately 18 months after the start date, approximately two-thirds of the sign-on RSUs would be unvested and subject to acceleration, yielding an accelerated value of approximately $8,000,000 (before accounting for any stock price appreciation or depreciation).

Sign-on PSU Grant: Harding is also expected to receive a sign-on PSU (Performance Share Unit) grant with a grant-date value of $6,400,000, subject to three-year cliff vesting conditioned on the achievement of total shareholder return ("TSR") and revenue growth hurdles. Upon a CIC, the treatment of PSUs raises additional complexities: Harding is expected to demand full vesting at target performance level (i.e., 100% of PSUs vest regardless of actual performance), while Northgate may propose vesting at actual performance (to the extent measurable) or pro-rata vesting based on the proportion of the performance period elapsed. The difference between these approaches could be significant — if actual performance were below target, vesting at target would overcompensate Harding; if actual performance were above target, vesting at target could undercompensate him.

Annual Long-Term Incentive ("LTI") Grants: Harding's proposed annual LTI grant value is $9,000,000, allocated 60% to PSUs ($5,400,000) and 40% to RSUs ($3,600,000). Each annual grant is expected to vest over a three-year period. Unvested tranches of annual LTI grants outstanding at the time of a CIC would be subject to accelerated vesting on the same basis as the sign-on awards.

Estimated Aggregate Equity Acceleration Value. For purposes of this preliminary analysis, we have assumed a CIC occurring approximately 18 months after Harding's start date (i.e., approximately April 2026). At that point, the following equity awards would be partially or fully unvested and subject to acceleration:

• Sign-on RSUs: approximately $8,000,000 in unvested value

• Sign-on PSUs: $6,400,000 (full cliff, all unvested)

• Year 1 annual LTI RSUs: approximately $2,400,000 unvested

• Year 1 annual LTI PSUs: approximately $3,600,000 unvested

The estimated total value of equity acceleration under this timing assumption is approximately $18,000,000 to $22,000,000, inclusive of sign-on and first annual LTI grants. The range reflects uncertainty regarding stock price movement and PSU payout level.

Treatment Under Section 280G. The portion of equity acceleration that constitutes a "parachute payment" under Section 280G must be determined using the methodology prescribed by Treasury Regulation Section 1.280G-1, Q&A-24. Under this methodology, the value attributable to acceleration is generally determined by comparing the value of the accelerated vesting against the value that would have been received absent the CIC (i.e., the present value of the equity that would have vested over the remaining service period, discounted at the applicable federal rate). In certain circumstances, the "reasonable compensation" exception (discussed in Section VII below) may apply to reduce the amount treated as a parachute payment, particularly with respect to performance-based PSU awards.

3. Continued Benefits

The employment agreement is expected to provide for continuation of health and welfare benefits following a qualifying CIC termination. Northgate's proposal is for 24 months of COBRA continuation coverage (with NTP US subsidizing the premium cost), while Harding is expected to demand 36 months. The estimated cost of COBRA continuation ranges from approximately $75,000 (24-month period) to $112,500 (36-month period), depending on the applicable plan costs and the number of covered dependents.

In addition, the agreement is expected to include outplacement services valued at $50,000 under Northgate's proposal. Other perquisites that may continue following a CIC termination — such as financial planning assistance, club memberships, and automobile allowances — would also be included in the parachute payment calculation to the extent they are contingent on the CIC.

4. Pro-Rata Bonus

The employment agreement will provide for payment of a pro-rata annual bonus for the fiscal year in which the CIC termination occurs, calculated based on actual or target performance through the date of termination. The value of this payment depends on the timing of the termination within the fiscal year and the applicable performance metrics. For purposes of this preliminary analysis, we have estimated the pro-rata bonus at approximately $3,062,500 at target (175% of $1,750,000), with the actual pro-rata amount depending on the portion of the year elapsed. Combined with other miscellaneous items, we estimate this category at approximately $3,650,000.

5. Sign-On Cash Bonus

Harding is expected to receive a $5,000,000 sign-on cash bonus, payable within 30 days of his start date. The treatment of this payment under Section 280G requires careful analysis. If the sign-on bonus is paid at commencement of employment and is not contingent on a change in control, it should not be treated as a parachute payment. However, the sign-on bonus is expected to include a clawback provision requiring repayment if Harding voluntarily terminates his employment within 24 months of his start date. If the clawback obligation is forgiven upon a CIC (or upon a qualifying termination following a CIC), the forgiveness of the clawback could itself be treated as a payment contingent on the change in control and therefore subject to inclusion in the parachute payment calculation. This issue should be addressed in the drafting of the employment agreement to minimize the risk of inadvertent inclusion of the sign-on bonus in the parachute payment calculation.

D. Estimated Total Parachute Payments

Based on the foregoing analysis, the estimated aggregate parachute payments under each negotiating scenario are as follows:

Under Harding's demanded terms (3x CIC multiplier, full equity acceleration at target, 36-month benefits continuation):

Under Northgate's anticipated proposal (2.5x CIC multiplier, full equity acceleration, 24-month benefits continuation):

Under both scenarios, the estimated total parachute payments significantly exceed the safe harbor of $23,519,999. The Harding-demand scenario exceeds the safe harbor by approximately $14,680,001 (162% of the safe harbor), while the NTP-proposal scenario exceeds the safe harbor by approximately $12,236,251 (152% of the safe harbor). Given the magnitude of the overage in both cases, it is not practicable to reduce aggregate parachute payments to the safe harbor level through minor adjustments to the CIC severance terms. Any cutback to the safe harbor level would require a reduction of approximately $14.7 million to $12.2 million in aggregate parachute payments — a reduction that would substantially alter the economics of the CIC protection.

IV. Excise Tax Analysis

A. Excess Parachute Payments

As noted in Section II.C, the Section 4999 excise tax applies to the "excess parachute payment," which is the amount by which the aggregate parachute payments exceed one times the base amount ($7,840,000). The excess parachute payment amounts under each scenario are calculated as follows:

Under Harding's proposal: $38,200,000 − $7,840,000 = $30,360,000

Under Northgate's proposal: $35,756,250 − $7,840,000 = $27,916,250

It is essential to underscore the cliff effect inherent in the Section 280G structure. Once the 3x threshold ($23,520,000) is exceeded — by even $1 — the excise tax applies to the entire excess over 1x base amount, not merely the amount above 3x. In Harding's scenario, the excess over 3x is $38,200,000 − $23,520,000 = $14,680,000, but the excise tax base is $30,360,000 — more than double the amount by which the payments exceed the 3x threshold. This cliff effect is the fundamental reason why careful management of aggregate parachute payments is essential.

B. Estimated Excise Tax (Section 4999)

Section 4999 imposes a flat 20% excise tax on the excess parachute payment. The estimated excise tax under each scenario is:

Under Harding's proposal: $30,360,000 × 20% = $6,072,000

Under Northgate's proposal: $27,916,250 × 20% = $5,583,250

These amounts represent the excise tax borne by Harding, in addition to all regular federal, state, and local income taxes on the underlying payments. The excise tax is not deductible by Harding for federal income tax purposes, nor is it creditable against any other tax obligation. The practical effect is to increase Harding's total effective tax rate on the excess parachute payment by 20 percentage points — from an estimated combined marginal rate of approximately 50–53% (federal, New York State, and New York City) to approximately 70–73%.

In addition, from Northgate's perspective, Section 280G itself disallows the corporate tax deduction for the excess parachute payment amount. At the current 21% federal corporate income tax rate, the lost deduction on the excess parachute payment represents an additional cost to NTP US of approximately $6,375,600 (under Harding's proposal: $30,360,000 × 21%) or $5,862,413 (under NTP's proposal: $27,916,250 × 21%). This lost deduction is a real economic cost that is often overlooked in negotiations focused on the executive's excise tax exposure, and it should be factored into any cost-benefit analysis of the gross-up versus cutback question.

C. Estimated Gross-Up Cost to Northgate

If Northgate were to provide a full Section 280G tax gross-up — that is, an additional payment to Harding sufficient to cover the 20% excise tax plus the income taxes (federal, state, and local) on the gross-up payment itself — the estimated cost range is $4,200,000 to $6,800,000, depending on several variables.

The gross-up calculation operates as follows. The purpose of a full gross-up is to put Harding in the same after-tax position as if no excise tax had been imposed. Because the gross-up payment itself is taxable income to Harding, the gross-up must be sufficient to cover not only the excise tax but also the income taxes on the gross-up. This creates a circular calculation that is typically resolved using the following formula:

Gross-Up Payment = Excise Tax / (1 − Combined Marginal Tax Rate − Excise Tax Rate)

The key variables are:

• Excise tax amount: $6,072,000 (Harding's demand) or $5,583,250 (NTP's proposal)

• Harding's marginal federal and state income tax rates: Harding's residence is at 14 Gramercy Park South, Apartment 12A, New York, New York 10003, which subjects him to federal income tax (top marginal rate: 37%), New York State income tax (top marginal rate: approximately 10.9%), and New York City income tax (top marginal rate: approximately 3.876%). The combined marginal rate is therefore approximately 50–53%, after accounting for the limitations on the state and local tax ("SALT") deduction under Section 164(b)(6) of the Code (the $10,000 SALT cap).

• Treatment of the gross-up payment itself: The gross-up payment is itself subject to income tax and potentially subject to the excise tax (if it is treated as an additional parachute payment), further increasing the total cost.

Under Harding's demanded scenario, the base excise tax of $6,072,000, when grossed up using the formula above and a combined marginal tax rate of approximately 50–53% (plus the 20% excise tax rate), yields an estimated total gross-up cost to NTP in the range of approximately $4,200,000 to $6,800,000. The width of the range reflects uncertainty in Harding's exact marginal tax rates (which depend on his total income in the year of payment), the precise amount of parachute payments at the time of the CIC, and whether the gross-up payment itself is treated as a parachute payment subject to excise tax.

This gross-up cost is in addition to the underlying CIC severance and other payments, bringing the total potential CIC payout cost to NTP to approximately $42,400,000 to $45,000,000 under Harding's demanded terms.

V. Best-Net Cutback vs. Full Gross-Up Analysis

A. Best-Net (Modified Cutback) Approach — Northgate's Recommended Position

Under a "best-net" or "modified cutback" provision, if the aggregate parachute payments to Harding exceed the safe harbor amount ($23,519,999), the payments are automatically reduced to the safe harbor amount, but only if the after-tax amount Harding would retain after the cutback exceeds the after-tax amount he would retain if he received the full payment and bore the 20% excise tax out of pocket. If Harding is economically better off (on an after-tax basis) receiving the full payment and paying the excise tax, no cutback occurs, and Harding receives the full amount and bears the excise tax himself.

This approach eliminates any gross-up obligation for the employer while protecting the executive from an economically irrational cutback — that is, a situation where the cutback reduces the executive's total after-tax receipts below what he would have retained if paid the full amount and subjected to the excise tax. The best-net provision thus operates as a rational economic safeguard that benefits both parties: the employer avoids the cost and governance concerns of a gross-up, and the executive is assured of receiving the economically optimal outcome.

The best-net approach is widely viewed as the current market-standard approach and is endorsed by major proxy advisory firms. ISS (Thackeray Health IT) has identified full 280G tax gross-ups as a problematic feature in executive compensation arrangements and has recommended voting against say-on-pay proposals that include such provisions. Sandra Kolb, Managing Director of Veltrano Proxy Advisors, Inc. (which serves as a supplemental proxy advisory consultant to several of Northgate's institutional shareholders), has informally advised that tax gross-ups are "problematic" under current ISS policy and would likely contribute to a negative say-on-pay recommendation if included in Harding's employment agreement.

B. Preliminary Comparison: Best-Net vs. Gross-Up

The following preliminary analysis compares the after-tax outcomes for Harding under three alternative approaches, assuming Harding's demanded 3x CIC terms and estimated total parachute payments of $38,200,000:

Scenario 1: Full Payment Without Gross-Up (Executive Bears Excise Tax)

Harding receives total parachute payments of $38,200,000. He pays the Section 4999 excise tax of approximately $6,072,000 out of pocket, in addition to ordinary federal, state, and local income taxes on the full $38,200,000. Estimated after-tax retention: approximately $14,800,000 to $16,200,000 (depending on marginal rates and the interaction of the excise tax with other tax obligations).

Scenario 2: Best-Net Cutback to Safe Harbor ($23,519,999)

Harding's total parachute payments are reduced to $23,519,999. He pays no excise tax and no Section 280G deduction is lost. He pays ordinary federal, state, and local income taxes on $23,519,999. Estimated after-tax retention: approximately $11,100,000 to $12,000,000.

Scenario 3: Full Payment With Full Gross-Up

Harding receives total parachute payments of $38,200,000, plus a gross-up payment of approximately $4,200,000 to $6,800,000 to cover the excise tax and the income taxes on the gross-up. Harding pays no out-of-pocket excise tax. Estimated after-tax retention: approximately $18,500,000 to $20,000,000. Total cost to NTP: approximately $42,400,000 to $45,000,000.

Analysis. Under the best-net comparison (Scenario 1 vs. Scenario 2), Harding's estimated after-tax retention under the full-payment-without-gross-up scenario ($14,800,000–$16,200,000) significantly exceeds his after-tax retention under the cutback scenario ($11,100,000–$12,000,000). This means that the best-net provision would not trigger a cutback — Harding would be better off receiving the full payment and bearing the excise tax himself, and the best-net provision would leave him in that position.

This outcome is typical when aggregate parachute payments significantly exceed the 3x safe harbor (as they do here, by approximately $14.7 million). The best-net cutback is economically rational for the executive only when the aggregate payments are near the 3x threshold — specifically, when the payments exceed 3x but by a small enough margin that the after-tax cost of the excise tax on the entire excess over 1x exceeds the economic value of the incremental payments above the safe harbor. In Harding's case, the payments are so far above the safe harbor that the cutback would never be advantageous, and the best-net provision would simply leave Harding to receive the full payment and absorb the excise tax.

Dr. Rachel Whitmore at Whitmore Hobson LLP has performed a preliminary assessment of the after-tax outcomes and has concluded that under the proposed compensation levels, the best-net analysis and the full-payment-with-excise-tax outcome are roughly equivalent from Harding's perspective, with the cutback slightly favored at certain payment levels near the boundary — making the gross-up demand largely a matter of principle and optics rather than a meaningful economic difference. In other words, the practical effect of a gross-up in this case is not to protect Harding from an economically adverse cutback (since no cutback would occur under the best-net analysis), but rather to transfer the economic burden of the excise tax from Harding to Northgate. The after-tax benefit to Harding of the gross-up (the difference between Scenario 1 and Scenario 3 after-tax retention) is approximately $2,300,000 to $5,200,000, which is substantial in absolute terms but modest relative to the total compensation package.

Significance for Negotiations. This analysis supports Northgate's negotiation position that a gross-up is unnecessary because Harding is not materially disadvantaged by the best-net approach. The best-net provision will not result in a cutback of Harding's payments (given the magnitude of the overage), and the question is simply whether Harding or Northgate should bear the economic cost of the excise tax. From Northgate's perspective, the gross-up transfers a cost of $4.2 million to $6.8 million to the company, with no corresponding value to shareholders, and carries significant governance and reputational risks.

C. Market Trends

The market trends in executive compensation strongly support Northgate's position against a full 280G gross-up. The prevalence of full Section 280G tax gross-ups has declined sharply over the past decade and continues to decline. As of 2023, fewer than 5% of new CEO employment agreements among S&P 500 companies include full Section 280G gross-ups, down from approximately 30% a decade ago. The majority of new agreements — approximately 60–65% — include best-net cutback provisions, with the remainder either including a hard cutback (no gross-up, automatic reduction to safe harbor regardless of after-tax impact) or no specific 280G provision.

ISS generally recommends voting against say-on-pay proposals where CIC severance exceeds 3x the sum of base salary and target bonus, and/or where the agreement includes a Section 280G tax gross-up. Northgate received 87.4% support at its 2024 Annual General Meeting say-on-pay vote (held on April 18, 2024). While this level of support is healthy, ISS and Veltrano Proxy Advisors have both warned — informally and through their published guidelines — that a 3x CIC multiplier combined with a full 280G gross-up would likely trigger a negative say-on-pay recommendation at the 2025 AGM, where the incoming CEO's compensation package will be subject to a binding remuneration policy vote under the UK Corporate Governance Code 2024. A negative recommendation from ISS or Veltrano could result in significant shareholder opposition and potential failure of the remuneration policy vote, which would create substantial governance uncertainty for Northgate and its Board.

These market trends and proxy advisory considerations reinforce the recommendation that Northgate should include a best-net cutback provision (with no gross-up) in the initial term sheet and should resist any demand from Harding's counsel for a full or modified gross-up.

VI. Interaction with Change in Control Definition

A. Contractual CIC Definition

The proposed employment agreement will include a contractual definition of "change in control" that triggers the CIC severance provisions. Based on preliminary discussions, both sides are expected to agree on at least three triggering events:

(a) Acquisition trigger: The acquisition by any person, entity, or "group" (within the meaning of Section 13(d) of the Securities Exchange Act of 1934) of more than 50% of the combined voting power of the then-outstanding voting securities of Northgate Telecommunications PLC.

(b) Merger/consolidation trigger: The consummation of a merger, consolidation, or similar business combination involving Northgate Telecommunications PLC, unless Northgate's shareholders immediately prior to such transaction hold at least 50% of the combined voting power of the surviving or resulting entity immediately after the transaction.

(c) Asset sale trigger: The sale, lease, exchange, or other transfer of all or substantially all of the assets of Northgate Telecommunications PLC and its subsidiaries, taken as a whole, to any person or entity not affiliated with Northgate.

Harding is anticipated to demand a fourth triggering event:

(d) Board turnover trigger: A change in the composition of Northgate's Board of Directors such that a majority of the directors are replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of such appointment or election.

Northgate's Board, per initial indications from Geoffrey Stanton, Chair of the Remuneration Committee, is expected to reject the Board turnover trigger as overreach and inconsistent with UK corporate governance norms. Under UK practice, board composition changes — including those resulting from contested elections or activist campaigns — are generally not treated as CIC events in executive service agreements. Including such a trigger could be perceived as an entrenchment device and would likely attract criticism from institutional shareholders and proxy advisory firms.

B. Alignment with Section 280G Definition

The Section 280G definition of "change in control" is prescribed by Treasury Regulations and includes three categories of events, as described in Section II.B above: (i) change in ownership (>50% of voting stock), (ii) change in effective control (>30% of voting stock or majority board replacement within 12 months), and (iii) change in ownership of a substantial portion of assets (>40% of gross fair market value).

There is an important asymmetry between the contractual definition and the 280G definition with respect to the Board turnover trigger. The 280G definition of "change in effective control" already includes a majority board replacement trigger — specifically, a CIC is deemed to occur for 280G purposes when a majority of the corporation's board of directors is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the board prior to such appointment or election. This means that even if the contractual definition of CIC excludes the Board turnover trigger, the 280G analysis may still capture payments triggered by such an event if it constitutes a "change in effective control" under the Treasury Regulations. In such a scenario, if Harding's employment is terminated in connection with a board turnover event that meets the 280G definition, and if the employment agreement's severance provisions are triggered by another mechanism (e.g., a termination without cause that happens to coincide with the board turnover), the payments could be subject to the parachute payment analysis regardless of the absence of a Board turnover trigger in the contractual CIC definition.

Drafting Consideration. If the contractual CIC definition is broader than the 280G definition — for example, if it includes a Board turnover trigger at a lower threshold than the 280G definition, or if it includes additional triggering events not contemplated by Section 280G — payments triggered solely by the contractual definition but not by a 280G "change in control" would not be treated as parachute payments and would not be subject to excise tax. This is a potential structuring opportunity: if certain CIC-related payments can be isolated to a contractual trigger that does not meet the 280G definition, those payments could potentially be excluded from the parachute payment calculation. However, this approach creates significant complexity in administration and calculation, and the IRS may scrutinize arrangements that appear designed to artificially separate parachute payments from the 280G framework.

Recommendation. We recommend aligning the contractual CIC definition as closely as possible with the Section 280G definition to simplify administration and avoid unintended consequences. Any divergence between the two definitions creates the risk that payments may be inadvertently included in or excluded from the parachute payment calculation, with potentially costly results. We also recommend that Northgate's UK counsel at Moorfield Bates LLP (Simon Aldridge, partner) be consulted regarding any implications under UK law and the UK Corporate Governance Code. In particular, the Board turnover trigger raises distinct issues under UK governance norms, and the interplay between US tax considerations and UK governance standards should be carefully coordinated.

VII. Reasonable Compensation Exception

A. Overview

The Treasury Regulations under Section 280G provide an important exception to the parachute payment rules: payments that constitute "reasonable compensation for personal services to be rendered on or after the date of the change in control" are not treated as parachute payments, even if they are contingent on a CIC. Treasury Regulation Section 1.280G-1, Q&A-9 and Q&A-42, describe this exception in detail.

This exception can potentially be used to reduce the aggregate parachute payment amount, thereby lowering the excise tax exposure or, in some cases, keeping total parachute payments below the safe harbor. The two most relevant applications of the reasonable compensation exception in Harding's case are: (i) allocation of a portion of CIC severance payments to restrictive covenant obligations (i.e., non-compete and non-solicitation covenants), and (ii) treatment of certain performance-based equity awards.

B. Restrictive Covenant Allocation

A portion of the CIC cash severance payment can potentially be allocated to Harding's agreement to abide by post-employment restrictive covenants — specifically, non-competition and non-solicitation obligations — as reasonable compensation for those obligations. Under this theory, the payment is not purely contingent on the CIC but is also consideration for Harding's agreement to refrain from competitive activity during the restrictive period. To the extent such an allocation is supported by a reasonable valuation, the allocated amount can be excluded from the parachute payment calculation.

The proposed employment agreement is expected to include a post-employment non-competition covenant. The two negotiating positions are as follows:

Northgate's proposal: 24-month non-compete, worldwide scope, covering the telecommunications and enterprise SaaS industries.

Harding's anticipated demand: 12-month non-compete, limited to North America and Western Europe, covering only a scheduled list of competitors.

The reasonable compensation exception depends critically on the scope and duration of the restrictive covenant. The longer and broader the non-compete, the greater the economic value of Harding's agreement to abide by it, and the greater the amount that can reasonably be allocated as consideration for the covenant. This creates a potentially counterintuitive dynamic in the negotiation: Harding's interest in minimizing the scope of the non-compete (from an employment mobility standpoint) is in tension with his interest in maximizing the amount that can be allocated to the covenant for Section 280G purposes (thereby reducing his excise tax exposure).

Recommendation. This dynamic should be flagged to Renata Vasquez as a potential strategic lever in the negotiation. A broader and longer non-compete may paradoxically benefit Harding by allowing a larger portion of CIC payments to be excluded from the parachute payment calculation under the reasonable compensation exception. This point could be used to encourage Harding's counsel to accept a more robust non-compete in exchange for a reduction in his excise tax exposure — or, alternatively, to support a larger allocation to the non-compete covenant if the scope and duration are negotiated to a mutually acceptable level.

A formal appraisal or valuation of the non-compete covenant would be required to support the allocation. Such valuations are typically performed by an independent compensation consultant (such as Whitmore Hobson LLP) using methodologies that consider the executive's earning capacity, the probability of competitive employment during the restrictive period, the geographic and industry scope of the restriction, and the economic value of the restriction to the employer. The valuation must be documented contemporaneously and should be in place before the CIC event to provide maximum defensibility against IRS challenge.

C. Performance-Based Equity

PSU grants that are subject to performance-based vesting conditions (such as TSR and revenue growth hurdles) may qualify for the reasonable compensation exception if the performance criteria are met prior to the CIC event. Under Treasury Regulation Section 1.280G-1, Q&A-42(a), payments under a plan or arrangement that constitutes reasonable compensation for services actually rendered (as opposed to compensation contingent on the CIC) may be excluded from the parachute payment calculation.

For Harding's sign-on PSU grant ($6,400,000, three-year cliff vesting subject to TSR and revenue growth hurdles), this exception would be available only to the extent that the performance conditions are satisfied before the CIC event. If the CIC occurs before the end of the performance period and the PSUs have not yet met their performance criteria, the acceleration of vesting at target (or any other level) would be entirely contingent on the CIC and would be included in the parachute payment calculation. Conversely, if the performance conditions are met before the CIC, the vesting of the PSUs may be attributable to the satisfaction of the performance conditions rather than the CIC, and a portion or all of the PSU value may be excludable.

The same analysis applies to annual LTI PSU grants ($5,400,000 per year, representing 60% of the $9,000,000 annual LTI allocation). The timing of the CIC relative to the performance period for each annual PSU grant will determine the extent to which the reasonable compensation exception is available.

This is an area where careful documentation and coordination with the compensation consultant and auditors are essential. The performance conditions, the method of determining whether they have been satisfied prior to the CIC, and the allocation of value between performance-based and CIC-contingent vesting should all be documented in detail.

VIII. Section 409A Considerations

While the primary focus of this memorandum is Section 280G, it is important to note that CIC severance payments must also comply with Section 409A of the Internal Revenue Code, which governs the taxation of nonqualified deferred compensation. Section 409A imposes severe penalties — including a 20% additional tax and interest — on deferred compensation that is not structured and administered in accordance with the statute and regulations.

The key Section 409A issues relevant to the CIC severance provisions in Harding's employment agreement are as follows:

CIC Definition for 409A Purposes. Section 409A permits the payment of deferred compensation upon a "change in control event" only if the event satisfies one of the three permissible definitions set forth in Treasury Regulation Section 1.409A-3(i)(5): (i) change in ownership (based on more than 50% of the value or voting power of the corporation's stock), (ii) change in effective control (based on 30% of voting power or majority board replacement), or (iii) change in ownership of a substantial portion of assets (based on 40% of gross fair market value). If the contractual CIC definition in the employment agreement differs from the Section 409A definition — for example, if the contractual definition is broader and includes events that do not qualify as a 409A "change in control event" — a "dual trigger" structure may be required. Under a dual trigger, payment would be made only upon a CIC that satisfies both the contractual definition and the 409A definition, with payments triggered by a contractual CIC that does not meet the 409A definition deferred until a subsequent permissible distribution event (such as separation from service).

Timing of Payments. Lump-sum CIC severance payments must be paid within the "short-term deferral period" (generally, within 2½ months after the end of the taxable year in which the CIC occurs) or upon a qualifying Section 409A event to avoid treatment as deferred compensation. If the CIC severance is not paid within the short-term deferral period, it will be subject to Section 409A and must comply with the statute's timing and form-of-payment requirements. The employment agreement should specify the timing of payment with precision to avoid inadvertent 409A violations.

Six-Month Delay for Specified Employees. Under Section 409A(a)(2)(B)(i), payments of deferred compensation made to a "specified employee" of a publicly traded company upon separation from service must be delayed for six months following the date of separation. Harding will almost certainly be a "specified employee" of NTP US (as a publicly traded company's CEO), and any CIC severance payments that constitute Section 409A deferred compensation would be subject to the six-month delay unless an exception applies (such as the short-term deferral exception or the "change in control" exception that permits payment upon a 409A-qualifying CIC event without regard to the six-month delay).

Recommendation. We recommend that a full Section 409A compliance review be integrated into all CIC payment provisions in the employment agreement from the initial drafting stage. The interaction between the Section 280G analysis and the Section 409A analysis is complex — the 280G-driven incentive to reduce or restructure CIC payments must be coordinated with the 409A requirement that payment timing and triggers comply with specific statutory rules. This analysis should be coordinated with the broader Section 409A review that is being conducted for the employment agreement as a whole, covering base salary, annual bonus, equity compensation, and deferred compensation provisions.

IX. UK Corporate Governance and Shareholder Considerations

Although Section 280G is a provision of the US Internal Revenue Code and applies to payments made by NTP US (a Delaware corporation), the governance overlay is critical because Northgate Telecommunications PLC is a UK-listed public limited company subject to the UK Corporate Governance Code 2024 (the "Code"). The Code imposes significant constraints on executive remuneration that must be considered in conjunction with the US tax analysis.

Provision 40 of the Code provides that notice periods for executive directors should be set at one year or less. While Harding will not be a director of the UK-listed parent company (his employment will be with NTP US), his role as group CEO means that his compensation arrangements will be disclosed in Northgate's Annual Report on Remuneration and will be subject to scrutiny under the Code. CIC severance multiples of 2.5x or 3x the sum of base salary and target bonus significantly exceed UK market norms, where typical CIC severance for FTSE 100 companies ranges from 1x to 2x base salary (and rarely includes a bonus multiplier). The proposed CIC severance for Harding — even at Northgate's proposed 2.5x level — will therefore be viewed as generous by UK standards and will require careful explanation in the remuneration report.

Binding Remuneration Policy Vote. The incoming CEO's compensation package will be subject to a binding remuneration policy vote at the 2025 Annual General Meeting. Under the Code and the Companies Act 2006, Northgate must present its directors' remuneration policy for shareholder approval at least every three years, and any new employment arrangement for an executive director (or, in this case, a group CEO employed by a subsidiary) that deviates from the existing approved policy must be put to a shareholder vote. A failure to obtain shareholder approval of the remuneration policy would prevent Northgate from implementing the proposed compensation arrangements and would create significant governance uncertainty.

Institutional Shareholder Considerations. Northgate's top institutional shareholders include:

• Caledonian Asset Management — 8.3% of outstanding ordinary shares

• Pemberton Capital Group — 6.7%

• Thornbury Investment Trust — 5.1%

• Regis Global Equity Fund — 4.4%

• Atlas Pension Fund — 3.2%

Many of these shareholders follow ISS or similar proxy advisory recommendations in formulating their voting positions on remuneration matters. As noted above, Sandra Kolb at Veltrano Proxy Advisors, Inc. has informally indicated that a 3x CIC multiplier combined with a full 280G gross-up would likely trigger a negative say-on-pay recommendation from ISS and similar advisory firms. A negative recommendation could result in a material reduction in shareholder support — Northgate's 87.4% support at the 2024 AGM say-on-pay vote provides a healthy margin, but a shift of even 10–15 percentage points could bring the vote uncomfortably close to the majority threshold. A failed remuneration policy vote would be a significant governance event with potential reputational and operational consequences.

Strategic Consideration. Even if the after-tax economics favor a gross-up from Harding's individual perspective, the governance and shareholder-relations cost of a gross-up may be significant and should be a central element of Northgate's negotiation position. The Board should be advised that including a full 280G gross-up in the CEO employment agreement creates a meaningful risk of adverse proxy advisory recommendations and reduced sharehold

ATTORNEY-CLIENT PRIVILEGED / ATTORNEY WORK PRODUCT
MEMORANDUM
FROM: James Underwood, Associate, Calderwood & Harkness LLP
TO: Renata Vasquez, Partner, Calderwood & Harkness LLP
DATE: June 7, 2024
RE: Section 280G Parachute Payment Analysis — Preliminary Framework; Northgate Telecommunications PLC — CEO Employment Agreement for Marcus Elliot Harding
MATTER NO.: 1022-00004
This memorandum is protected by the attorney-client privilege and constitutes attorney work product prepared in anticipation of litigation and/or in connection with the provision of legal advice. This document is strictly confidential and is intended solely for the use of the addressee. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this memorandum in error, please notify the sender immediately and destroy all copies.
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I. Purpose and Summary
The purpose of this memorandum is to provide a preliminary analytical framework for evaluating the Section 280G parachute payment implications arising from the proposed CEO employment agreement between Northgate Telecommunications US, Inc. ("NTP US"), the wholly-owned Delaware subsidiary of Northgate Telecommunications PLC ("Northgate" or "NTP"), and Marcus Elliot Harding ("Harding"). This memorandum is intended to inform the negotiation strategy of Northgate's Board of Directors and Remuneration Committee as we approach the initial term sheet circulation, which is currently anticipated for June 10, 2024.
Harding is currently the President and Chief Operating Officer of Marlowe Asset Management Digital Holdings, Inc. (NYSE: VDHI), a Delaware corporation headquartered at 200 Technology Way, Suite 4000, San Jose, California 95110. He has been identified as the preferred candidate for the Chief Executive Officer role at Northgate Telecommunications PLC (LON: NTP; NYSE ADR: NTPC). The proposed employment agreement will be governed by New York law, with the employing entity being NTP US, a Delaware corporation with its principal offices at 600 Lexington Avenue, 38th Floor, New York, New York 10022. NTP US serves as the primary US operational subsidiary and will be the party to the employment agreement, though Harding's role as group CEO will extend to the entire Northgate global enterprise.
This memorandum is being prepared at an early stage — prior to the initial term sheet circulation — to ensure that Section 280G considerations are integrated into the negotiation strategy from the outset. In particular, the interaction between Section 280G and the change-in-control ("CIC") severance provisions, equity acceleration terms, and ancillary benefits requires careful calibration. The economic significance of these provisions, and the potential for excise tax exposure, makes it imperative that Northgate's negotiating team understands the Section 280G landscape before presenting the initial term sheet to Harding's counsel at Hargrove & Liddell LLP.
Key Conclusion. Under Harding's anticipated demand for a 3x CIC multiplier with full Section 280G tax gross-up, the estimated excise tax exposure to Northgate could range from approximately $4.2 million to $6.8 million (reflecting the cost of fully grossing up the Section 4999 excise tax, including the income taxes on the gross-up payment itself). A "best-net" cutback approach would eliminate this exposure entirely, but may reduce Harding's after-tax receipts in certain scenarios. Preliminary modeling suggests, however, that the after-tax outcomes under a full-payment-without-gross-up scenario and a best-net cutback scenario are roughly equivalent from Harding's perspective, making the gross-up demand largely a matter of principle and optics rather than meaningful economic difference.
Recommendation. We recommend that Northgate propose a best-net safe harbor cutback provision (with no tax gross-up) in the initial term sheet. This approach is consistent with current market trends among S&P 500 and FTSE 100 companies, aligns with ISS proxy advisory guidance, and avoids the significant governance and shareholder-relations risks associated with tax gross-ups. This framework should be coordinated with Dr. Rachel Whitmore at Whitmore Hobson LLP (Northgate's independent compensation consultant) for peer-group benchmarking and reasonable compensation valuation purposes, and with Galloway & Partners (NTP's auditors, lead audit partner Clive Warburton) for equity accounting treatment under ASC 718 (US GAAP) and IFRS 2 (the accounting standard applicable to NTP's consolidated financial statements).
The sections that follow set forth the statutory framework of Section 280G, apply that framework to the specific facts of Harding's anticipated compensation package, model the excise tax exposure under various scenarios, and provide preliminary recommendations for the negotiation strategy.
II. Overview of Section 280G Framework
A. Statutory Background
Section 280G of the Internal Revenue Code of 1986, as amended (the "Code"), operates in conjunction with Section 4999 of the Code to impose significant tax penalties on certain payments made to executives in connection with a change in control of a corporation. Specifically, Section 280G disallows the employer's tax deduction for "excess parachute payments," while Section 4999 imposes a non-deductible 20% excise tax on the recipient of such payments. These provisions were enacted as part of the Deficit Reduction Act of 1984 and were intended to discourage the use of so-called "golden parachute" arrangements that were perceived to facilitate hostile takeovers and enrich executives at shareholder expense.
The practical effect of Sections 280G and 4999 is twofold. First, the employer — in this case, NTP US as the paying entity — loses the ability to deduct the excess parachute payment for federal income tax purposes. For a corporation subject to a 21% federal corporate income tax rate, this lost deduction translates to a meaningful increase in the after-tax cost of the payment. Second, the executive — Harding — would be subject to a 20% excise tax on the excess parachute payment amount, in addition to all regular federal, state, and local income taxes. This excise tax is not deductible by the executive and is imposed without regard to the executive's ability to pay.
The Section 280G framework applies to publicly traded companies and their affiliates. Northgate, through its US subsidiary NTP US, is subject to these provisions by virtue of NTP's listing on the London Stock Exchange and its cross-listing on the New York Stock Exchange (via American Depositary Receipts). It is important to note at the outset that the Section 280G shareholder approval exemption — which is available to certain private companies and permits the avoidance of parachute payment treatment through a vote of disinterested shareholders — is not available in this case. NTP US is a subsidiary of a publicly traded parent (Northgate Telecommunications PLC), and the shareholder approval exemption under Treasury Regulation Section 1.280G-1, Q&A-7, is limited to corporations whose stock is not readily tradeable on an established securities market. Because NTP's ordinary shares are traded on the London Stock Exchange and its ADRs are traded on the NYSE, neither Northgate nor NTP US qualifies for this exemption.
B. Key Defined Terms
An accurate application of the Section 280G framework requires a precise understanding of several key defined terms, each of which is discussed below as it relates to the Harding employment agreement.
"Disqualified Individual." Under Section 280G(c) and the Treasury Regulations thereunder, a "disqualified individual" is any individual who, with respect to a corporation, is an employee, independent contractor, or other person specified in regulations, and who is (i) a shareholder owning more than 1% of the fair market value of the outstanding stock of the corporation, (ii) an officer of the corporation, or (iii) a "highly compensated individual" (generally, an individual among the highest-paid 1% of employees or, if less, the highest-paid 250 employees). Harding, as the incoming CEO of Northgate Telecommunications PLC (and an officer and employee of NTP US), will unquestionably be a "disqualified individual" upon commencement of his employment. It should be noted, however, that his status during the period between execution of the employment agreement and his proposed start date (October 1, 2024) should also be analyzed. If Harding is treated as an employee or officer from the date of execution of the agreement (or from the date of the Board's appointment), payments contingent on a change in control occurring during that interim period could be subject to Section 280G. We will monitor this issue as the agreement is drafted.
"Parachute Payment." Section 280G(b)(2) defines a "parachute payment" as any payment in the nature of compensation to (or for the benefit of) a disqualified individual if (i) such payment is contingent on a change in the ownership or effective control of the corporation (or in the ownership of a substantial portion of the assets of the corporation), and (ii) the aggregate present value of such payments equals or exceeds three times the individual's "base amount." The concept of "contingent on" a change in control is interpreted broadly under the Treasury Regulations and encompasses not only payments that are directly triggered by a CIC but also payments whose timing, amount, or vesting is accelerated or otherwise modified in connection with a CIC. This broad interpretation is particularly relevant to equity acceleration provisions, as discussed in Section III.C below.
"Change in Control." For Section 280G purposes, the Treasury Regulations define a "change in control" as: (a) a change in the ownership of the corporation, which generally occurs when any one person or group acquires more than 50% of the total fair market value or total voting power of the stock of the corporation; (b) a change in the effective control of the corporation, which generally occurs when any one person or group acquires more than 30% of the total voting power of the stock of the corporation, or when a majority of the members of the corporation's board of directors is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the members of the board prior to the date of the appointment or election; or (c) a change in the ownership of a substantial portion of the corporation's assets, which generally occurs when any one person or group acquires assets from the corporation having a total gross fair market value equal to more than 40% of the total gross fair market value of all of the corporation's assets immediately before such acquisition.
It is critical to note that the contractual definition of "change in control" in the employment agreement and the Section 280G definition of "change in control" need not be — and frequently are not — identical. Payments triggered under a contractual CIC provision that happens to coincide with a Section 280G "change in control" event will be subject to the parachute payment analysis. Conversely, payments triggered by a contractual CIC event that does not meet the Section 280G threshold would not be treated as parachute payments (though they may raise other issues, including under Section 409A, as discussed in Section VIII below). The interaction between the contractual definition and the statutory definition is addressed in greater detail in Section VI.
"Base Amount." Under Section 280G(b)(3), the "base amount" is the individual's average annualized includible compensation for federal income tax purposes for the most recent five taxable years ending before the date of the change in control (or, if the individual has been employed by the corporation for fewer than five years, the average annualized includible compensation for the individual's period of service). "Includible compensation" is the amount reported on the individual's Form W-2 (or its equivalent), which includes base salary, annual bonuses, and the value of equity compensation upon vesting. For Harding, the base amount will be calculated using his W-2 compensation from Marlowe Asset Management Digital Holdings, Inc. for the taxable years 2019 through 2023, as he will not yet have any compensation history with NTP US at the time the employment agreement is entered into. The calculation of Harding's base amount is addressed in detail in Section III.A below.
C. Threshold Test (3x Base Amount)
The Section 280G excise tax is triggered only if the aggregate present value of all parachute payments to the disqualified individual equals or exceeds three times the individual's base amount. If the aggregate present value of all parachute payments is less than three times the base amount, no excise tax is imposed under Section 4999, and no corporate deduction is lost under Section 280G. This threshold operates as a bright-line test — a "cliff" — rather than a graduated phase-in.
If the threshold is exceeded — that is, if the aggregate present value of all parachute payments equals or exceeds three times the base amount — the excise tax under Section 4999 applies to the "excess parachute payment." The "excess parachute payment" is the amount by which the total parachute payments exceed one times the base amount (not the amount by which they exceed three times the base amount). This is a critical and often misunderstood feature of the statute: the 3x threshold is merely a trigger, and once triggered, the excise tax applies to all payments in excess of 1x the base amount.
This cliff effect creates a significant structural incentive to manage aggregate parachute payments carefully. There are two principal strategies: (a) keeping aggregate parachute payments below the safe harbor (i.e., below 3x the base amount, specifically at $1 less than 3x), or (b) if the aggregate payments will inevitably exceed the 3x threshold, determining whether a gross-up or a cutback is more economically efficient for both the employer and the executive. The analysis of these alternatives is the central focus of this memorandum and is addressed in Section V below.
III. Application to Marcus Elliot Harding
A. Base Amount Calculation
The calculation of Harding's "base amount" under Section 280G(b)(3) requires determination of his average annualized includible compensation (as reported on Form W-2) for the five most recent taxable years ending before the date of any change in control. Because Harding is not yet an employee of NTP US, the relevant compensation history is his compensation from Marlowe Asset Management Digital Holdings, Inc. for the taxable years 2019 through 2023.
Based on preliminary information provided by Harding's counsel — Victoria Hargrove (partner) and Nathan Chu (associate) at Hargrove & Liddell LLP — during initial discussions, Harding's average annual W-2 compensation from Marlowe Asset Management Digital Holdings for the five-year period 2019–2023 is estimated at $7,840,000. This figure reflects his total includible compensation as President and Chief Operating Officer of Marlowe Asset Management, including the following principal components:
• Base salary: $1,450,000 per year (current rate; base salary was lower in earlier years of the measurement period)
• Annual bonus (target): 150% of base salary = $2,175,000 at target (actual bonus payouts varied year-over-year based on company and individual performance)
• Vesting equity compensation: RSU and PSU awards that vested during each taxable year, the value of which is included in W-2 income at the time of vesting and is based on Marlowe Asset Management's share price on the applicable vesting dates
It is important to note that the base amount is based on W-2 includible compensation, not on the grant-date value of equity awards. As a result, the base amount may fluctuate meaningfully depending on Marlowe Asset Management's stock price at the time of vesting. If Marlowe Asset Management's stock price was significantly higher or lower in particular years, the year-by-year W-2 amounts could deviate substantially from the average. Additionally, certain items of compensation — such as contributions to qualified retirement plans and health insurance premiums — may or may not be includible in W-2 compensation depending on their specific nature and tax treatment.
Source and Verification. The $7,840,000 estimate was provided informally by Hargrove & Liddell during preliminary discussions and has not been independently verified. We strongly recommend that, if negotiations progress beyond the term sheet stage, Northgate request copies of Harding's actual Forms W-2 for the taxable years 2019 through 2023 (or, alternatively, a certification from Marlowe Asset Management's payroll department or tax compliance group confirming the W-2 amounts for each year). Any inaccuracy in the base amount could materially affect the safe harbor calculation and the excise tax exposure. For example, if the actual base amount is lower than $7,840,000, the safe harbor threshold would also be lower, increasing the risk that the aggregate parachute payments will exceed the 3x threshold. Conversely, if the actual base amount is higher, the safe harbor would be higher, potentially creating additional room for CIC-related payments without triggering the excise tax.
B. Safe Harbor Limit
The safe harbor limit under Section 280G is calculated as three times the base amount, minus one dollar. Based on the estimated base amount of $7,840,000:
3 × $7,840,000 = $23,520,000
Safe harbor limit = $23,520,000 − $1 = $23,519,999
If the aggregate present value of all parachute payments to Harding remains at or below $23,519,999, no excise tax is triggered under Section 4999, and no corporate deduction is lost under Section 280G. This figure represents the critical threshold for the "best-net" cutback analysis discussed in Section V below. Any parachute payment that causes the aggregate to equal or exceed $23,520,000 triggers the full excise tax on all amounts in excess of 1x the base amount ($7,840,000).
The magnitude of the safe harbor relative to Harding's anticipated compensation package is a significant concern. As detailed in the following subsection, the estimated total parachute payments under both Northgate's proposed terms and Harding's anticipated demands substantially exceed the safe harbor, making it highly unlikely that the aggregate payments can be kept below the 3x threshold without significant restructuring.
C. Identification of Potential Parachute Payments
The following categories of payments have been identified as potentially contingent on a change in control and therefore subject to inclusion in the parachute payment calculation under Section 280G. Each category is analyzed separately below.
1. CIC Cash Severance
The most significant single component of the parachute payment calculation is the CIC cash severance payment. This payment, which is triggered upon a qualifying termination of employment following a change in control (typically, involuntary termination without cause or resignation for good reason within a specified window), is calculated as a multiple of the sum of Harding's base salary and target annual bonus.
Under the proposed terms for Harding's employment agreement, his annual base salary will be $1,750,000 and his target annual bonus will be 175% of base salary, yielding a target bonus of $3,062,500. The sum of base salary and target bonus is therefore $4,812,500.
The two negotiating positions with respect to the CIC multiplier are as follows:
Northgate's anticipated initial proposal (2.5x): 2.5 × $4,812,500 = $12,031,250
Harding's anticipated demand (3x): 3 × $4,812,500 = $14,437,500
The gap between the two positions is $14,437,500 − $12,031,250 = $2,406,250. Harding's demand for a 3x multiplier is understood to be based on his existing CIC severance provision with Marlowe Asset Management Digital Holdings, which provides for 3x cash severance. Harding's counsel has informally indicated that a reduction below 3x would be viewed as a "step down" in CIC protection and would require offsetting concessions in other areas.
2. Accelerated Vesting of Equity Awards
Equity acceleration represents the second-largest component of the potential parachute payment. The proposed employment agreement contemplates three categories of equity awards, each of which would be subject to accelerated vesting upon a CIC:
Sign-on RSU Grant: Harding is expected to receive a sign-on RSU grant with a grant-date value of $12,000,000, subject to three-year ratable vesting (i.e., one-third of the RSUs vest on each of the first three anniversaries of the start date). Upon a CIC with qualifying termination (or, under Harding's anticipated demand, upon a CIC alone — "single trigger"), the unvested portion of the sign-on RSU grant would vest immediately. The value of the accelerated vesting depends on the timing of the CIC relative to the vesting schedule and the stock price at the time of vesting. For a CIC occurring approximately 18 months after the start date, approximately two-thirds of the sign-on RSUs would be unvested and subject to acceleration, yielding an accelerated value of approximately $8,000,000 (before accounting for any stock price appreciation or depreciation).
Sign-on PSU Grant: Harding is also expected to receive a sign-on PSU (Performance Share Unit) grant with a grant-date value of $6,400,000, subject to three-year cliff vesting conditioned on the achievement of total shareholder return ("TSR") and revenue growth hurdles. Upon a CIC, the treatment of PSUs raises additional complexities: Harding is expected to demand full vesting at target performance level (i.e., 100% of PSUs vest regardless of actual performance), while Northgate may propose vesting at actual performance (to the extent measurable) or pro-rata vesting based on the proportion of the performance period elapsed. The difference between these approaches could be significant — if actual performance were below target, vesting at target would overcompensate Harding; if actual performance were above target, vesting at target could undercompensate him.
Annual Long-Term Incentive ("LTI") Grants: Harding's proposed annual LTI grant value is $9,000,000, allocated 60% to PSUs ($5,400,000) and 40% to RSUs ($3,600,000). Each annual grant is expected to vest over a three-year period. Unvested tranches of annual LTI grants outstanding at the time of a CIC would be subject to accelerated vesting on the same basis as the sign-on awards.
Estimated Aggregate Equity Acceleration Value. For purposes of this preliminary analysis, we have assumed a CIC occurring approximately 18 months after Harding's start date (i.e., approximately April 2026). At that point, the following equity awards would be partially or fully unvested and subject to acceleration:
• Sign-on RSUs: approximately $8,000,000 in unvested value
• Sign-on PSUs: $6,400,000 (full cliff, all unvested)
• Year 1 annual LTI RSUs: approximately $2,400,000 unvested
• Year 1 annual LTI PSUs: approximately $3,600,000 unvested
The estimated total value of equity acceleration under this timing assumption is approximately $18,000,000 to $22,000,000, inclusive of sign-on and first annual LTI grants. The range reflects uncertainty regarding stock price movement and PSU payout level.
Treatment Under Section 280G. The portion of equity acceleration that constitutes a "parachute payment" under Section 280G must be determined using the methodology prescribed by Treasury Regulation Section 1.280G-1, Q&A-24. Under this methodology, the value attributable to acceleration is generally determined by comparing the value of the accelerated vesting against the value that would have been received absent the CIC (i.e., the present value of the equity that would have vested over the remaining service period, discounted at the applicable federal rate). In certain circumstances, the "reasonable compensation" exception (discussed in Section VII below) may apply to reduce the amount treated as a parachute payment, particularly with respect to performance-based PSU awards.
3. Continued Benefits
The employment agreement is expected to provide for continuation of health and welfare benefits following a qualifying CIC termination. Northgate's proposal is for 24 months of COBRA continuation coverage (with NTP US subsidizing the premium cost), while Harding is expected to demand 36 months. The estimated cost of COBRA continuation ranges from approximately $75,000 (24-month period) to $112,500 (36-month period), depending on the applicable plan costs and the number of covered dependents.
In addition, the agreement is expected to include outplacement services valued at $50,000 under Northgate's proposal. Other perquisites that may continue following a CIC termination — such as financial planning assistance, club memberships, and automobile allowances — would also be included in the parachute payment calculation to the extent they are contingent on the CIC.
4. Pro-Rata Bonus
The employment agreement will provide for payment of a pro-rata annual bonus for the fiscal year in which the CIC termination occurs, calculated based on actual or target performance through the date of termination. The value of this payment depends on the timing of the termination within the fiscal year and the applicable performance metrics. For purposes of this preliminary analysis, we have estimated the pro-rata bonus at approximately $3,062,500 at target (175% of $1,750,000), with the actual pro-rata amount depending on the portion of the year elapsed. Combined with other miscellaneous items, we estimate this category at approximately $3,650,000.
5. Sign-On Cash Bonus
Harding is expected to receive a $5,000,000 sign-on cash bonus, payable within 30 days of his start date. The treatment of this payment under Section 280G requires careful analysis. If the sign-on bonus is paid at commencement of employment and is not contingent on a change in control, it should not be treated as a parachute payment. However, the sign-on bonus is expected to include a clawback provision requiring repayment if Harding voluntarily terminates his employment within 24 months of his start date. If the clawback obligation is forgiven upon a CIC (or upon a qualifying termination following a CIC), the forgiveness of the clawback could itself be treated as a payment contingent on the change in control and therefore subject to inclusion in the parachute payment calculation. This issue should be addressed in the drafting of the employment agreement to minimize the risk of inadvertent inclusion of the sign-on bonus in the parachute payment calculation.
D. Estimated Total Parachute Payments
Based on the foregoing analysis, the estimated aggregate parachute payments under each negotiating scenario are as follows:
Under Harding's demanded terms (3x CIC multiplier, full equity acceleration at target, 36-month benefits continuation):
Under Northgate's anticipated proposal (2.5x CIC multiplier, full equity acceleration, 24-month benefits continuation):
Under both scenarios, the estimated total parachute payments significantly exceed the safe harbor of $23,519,999. The Harding-demand scenario exceeds the safe harbor by approximately $14,680,001 (162% of the safe harbor), while the NTP-proposal scenario exceeds the safe harbor by approximately $12,236,251 (152% of the safe harbor). Given the magnitude of the overage in both cases, it is not practicable to reduce aggregate parachute payments to the safe harbor level through minor adjustments to the CIC severance terms. Any cutback to the safe harbor level would require a reduction of approximately $14.7 million to $12.2 million in aggregate parachute payments — a reduction that would substantially alter the economics of the CIC protection.
IV. Excise Tax Analysis
A. Excess Parachute Payments
As noted in Section II.C, the Section 4999 excise tax applies to the "excess parachute payment," which is the amount by which the aggregate parachute payments exceed one times the base amount ($7,840,000). The excess parachute payment amounts under each scenario are calculated as follows:
Under Harding's proposal: $38,200,000 − $7,840,000 = $30,360,000
Under Northgate's proposal: $35,756,250 − $7,840,000 = $27,916,250
It is essential to underscore the cliff effect inherent in the Section 280G structure. Once the 3x threshold ($23,520,000) is exceeded — by even $1 — the excise tax applies to the entire excess over 1x base amount, not merely the amount above 3x. In Harding's scenario, the excess over 3x is $38,200,000 − $23,520,000 = $14,680,000, but the excise tax base is $30,360,000 — more than double the amount by which the payments exceed the 3x threshold. This cliff effect is the fundamental reason why careful management of aggregate parachute payments is essential.
B. Estimated Excise Tax (Section 4999)
Section 4999 imposes a flat 20% excise tax on the excess parachute payment. The estimated excise tax under each scenario is:
Under Harding's proposal: $30,360,000 × 20% = $6,072,000
Under Northgate's proposal: $27,916,250 × 20% = $5,583,250
These amounts represent the excise tax borne by Harding, in addition to all regular federal, state, and local income taxes on the underlying payments. The excise tax is not deductible by Harding for federal income tax purposes, nor is it creditable against any other tax obligation. The practical effect is to increase Harding's total effective tax rate on the excess parachute payment by 20 percentage points — from an estimated combined marginal rate of approximately 50–53% (federal, New York State, and New York City) to approximately 70–73%.
In addition, from Northgate's perspective, Section 280G itself disallows the corporate tax deduction for the excess parachute payment amount. At the current 21% federal corporate income tax rate, the lost deduction on the excess parachute payment represents an additional cost to NTP US of approximately $6,375,600 (under Harding's proposal: $30,360,000 × 21%) or $5,862,413 (under NTP's proposal: $27,916,250 × 21%). This lost deduction is a real economic cost that is often overlooked in negotiations focused on the executive's excise tax exposure, and it should be factored into any cost-benefit analysis of the gross-up versus cutback question.
C. Estimated Gross-Up Cost to Northgate
If Northgate were to provide a full Section 280G tax gross-up — that is, an additional payment to Harding sufficient to cover the 20% excise tax plus the income taxes (federal, state, and local) on the gross-up payment itself — the estimated cost range is $4,200,000 to $6,800,000, depending on several variables.
The gross-up calculation operates as follows. The purpose of a full gross-up is to put Harding in the same after-tax position as if no excise tax had been imposed. Because the gross-up payment itself is taxable income to Harding, the gross-up must be sufficient to cover not only the excise tax but also the income taxes on the gross-up. This creates a circular calculation that is typically resolved using the following formula:
Gross-Up Payment = Excise Tax / (1 − Combined Marginal Tax Rate − Excise Tax Rate)
The key variables are:
• Excise tax amount: $6,072,000 (Harding's demand) or $5,583,250 (NTP's proposal)
• Harding's marginal federal and state income tax rates: Harding's residence is at 14 Gramercy Park South, Apartment 12A, New York, New York 10003, which subjects him to federal income tax (top marginal rate: 37%), New York State income tax (top marginal rate: approximately 10.9%), and New York City income tax (top marginal rate: approximately 3.876%). The combined marginal rate is therefore approximately 50–53%, after accounting for the limitations on the state and local tax ("SALT") deduction under Section 164(b)(6) of the Code (the $10,000 SALT cap).
• Treatment of the gross-up payment itself: The gross-up payment is itself subject to income tax and potentially subject to the excise tax (if it is treated as an additional parachute payment), further increasing the total cost.
Under Harding's demanded scenario, the base excise tax of $6,072,000, when grossed up using the formula above and a combined marginal tax rate of approximately 50–53% (plus the 20% excise tax rate), yields an estimated total gross-up cost to NTP in the range of approximately $4,200,000 to $6,800,000. The width of the range reflects uncertainty in Harding's exact marginal tax rates (which depend on his total income in the year of payment), the precise amount of parachute payments at the time of the CIC, and whether the gross-up payment itself is treated as a parachute payment subject to excise tax.
This gross-up cost is in addition to the underlying CIC severance and other payments, bringing the total potential CIC payout cost to NTP to approximately $42,400,000 to $45,000,000 under Harding's demanded terms.
V. Best-Net Cutback vs. Full Gross-Up Analysis
A. Best-Net (Modified Cutback) Approach — Northgate's Recommended Position
Under a "best-net" or "modified cutback" provision, if the aggregate parachute payments to Harding exceed the safe harbor amount ($23,519,999), the payments are automatically reduced to the safe harbor amount, but only if the after-tax amount Harding would retain after the cutback exceeds the after-tax amount he would retain if he received the full payment and bore the 20% excise tax out of pocket. If Harding is economically better off (on an after-tax basis) receiving the full payment and paying the excise tax, no cutback occurs, and Harding receives the full amount and bears the excise tax himself.
This approach eliminates any gross-up obligation for the employer while protecting the executive from an economically irrational cutback — that is, a situation where the cutback reduces the executive's total after-tax receipts below what he would have retained if paid the full amount and subjected to the excise tax. The best-net provision thus operates as a rational economic safeguard that benefits both parties: the employer avoids the cost and governance concerns of a gross-up, and the executive is assured of receiving the economically optimal outcome.
The best-net approach is widely viewed as the current market-standard approach and is endorsed by major proxy advisory firms. ISS (Thackeray Health IT) has identified full 280G tax gross-ups as a problematic feature in executive compensation arrangements and has recommended voting against say-on-pay proposals that include such provisions. Sandra Kolb, Managing Director of Veltrano Proxy Advisors, Inc. (which serves as a supplemental proxy advisory consultant to several of Northgate's institutional shareholders), has informally advised that tax gross-ups are "problematic" under current ISS policy and would likely contribute to a negative say-on-pay recommendation if included in Harding's employment agreement.
B. Preliminary Comparison: Best-Net vs. Gross-Up
The following preliminary analysis compares the after-tax outcomes for Harding under three alternative approaches, assuming Harding's demanded 3x CIC terms and estimated total parachute payments of $38,200,000:
Scenario 1: Full Payment Without Gross-Up (Executive Bears Excise Tax)
Harding receives total parachute payments of $38,200,000. He pays the Section 4999 excise tax of approximately $6,072,000 out of pocket, in addition to ordinary federal, state, and local income taxes on the full $38,200,000. Estimated after-tax retention: approximately $14,800,000 to $16,200,000 (depending on marginal rates and the interaction of the excise tax with other tax obligations).
Scenario 2: Best-Net Cutback to Safe Harbor ($23,519,999)
Harding's total parachute payments are reduced to $23,519,999. He pays no excise tax and no Section 280G deduction is lost. He pays ordinary federal, state, and local income taxes on $23,519,999. Estimated after-tax retention: approximately $11,100,000 to $12,000,000.
Scenario 3: Full Payment With Full Gross-Up
Harding receives total parachute payments of $38,200,000, plus a gross-up payment of approximately $4,200,000 to $6,800,000 to cover the excise tax and the income taxes on the gross-up. Harding pays no out-of-pocket excise tax. Estimated after-tax retention: approximately $18,500,000 to $20,000,000. Total cost to NTP: approximately $42,400,000 to $45,000,000.
Analysis. Under the best-net comparison (Scenario 1 vs. Scenario 2), Harding's estimated after-tax retention under the full-payment-without-gross-up scenario ($14,800,000–$16,200,000) significantly exceeds his after-tax retention under the cutback scenario ($11,100,000–$12,000,000). This means that the best-net provision would not trigger a cutback — Harding would be better off receiving the full payment and bearing the excise tax himself, and the best-net provision would leave him in that position.
This outcome is typical when aggregate parachute payments significantly exceed the 3x safe harbor (as they do here, by approximately $14.7 million). The best-net cutback is economically rational for the executive only when the aggregate payments are near the 3x threshold — specifically, when the payments exceed 3x but by a small enough margin that the after-tax cost of the excise tax on the entire excess over 1x exceeds the economic value of the incremental payments above the safe harbor. In Harding's case, the payments are so far above the safe harbor that the cutback would never be advantageous, and the best-net provision would simply leave Harding to receive the full payment and absorb the excise tax.
Dr. Rachel Whitmore at Whitmore Hobson LLP has performed a preliminary assessment of the after-tax outcomes and has concluded that under the proposed compensation levels, the best-net analysis and the full-payment-with-excise-tax outcome are roughly equivalent from Harding's perspective, with the cutback slightly favored at certain payment levels near the boundary — making the gross-up demand largely a matter of principle and optics rather than a meaningful economic difference. In other words, the practical effect of a gross-up in this case is not to protect Harding from an economically adverse cutback (since no cutback would occur under the best-net analysis), but rather to transfer the economic burden of the excise tax from Harding to Northgate. The after-tax benefit to Harding of the gross-up (the difference between Scenario 1 and Scenario 3 after-tax retention) is approximately $2,300,000 to $5,200,000, which is substantial in absolute terms but modest relative to the total compensation package.
Significance for Negotiations. This analysis supports Northgate's negotiation position that a gross-up is unnecessary because Harding is not materially disadvantaged by the best-net approach. The best-net provision will not result in a cutback of Harding's payments (given the magnitude of the overage), and the question is simply whether Harding or Northgate should bear the economic cost of the excise tax. From Northgate's perspective, the gross-up transfers a cost of $4.2 million to $6.8 million to the company, with no corresponding value to shareholders, and carries significant governance and reputational risks.
C. Market Trends
The market trends in executive compensation strongly support Northgate's position against a full 280G gross-up. The prevalence of full Section 280G tax gross-ups has declined sharply over the past decade and continues to decline. As of 2023, fewer than 5% of new CEO employment agreements among S&P 500 companies include full Section 280G gross-ups, down from approximately 30% a decade ago. The majority of new agreements — approximately 60–65% — include best-net cutback provisions, with the remainder either including a hard cutback (no gross-up, automatic reduction to safe harbor regardless of after-tax impact) or no specific 280G provision.
ISS generally recommends voting against say-on-pay proposals where CIC severance exceeds 3x the sum of base salary and target bonus, and/or where the agreement includes a Section 280G tax gross-up. Northgate received 87.4% support at its 2024 Annual General Meeting say-on-pay vote (held on April 18, 2024). While this level of support is healthy, ISS and Veltrano Proxy Advisors have both warned — informally and through their published guidelines — that a 3x CIC multiplier combined with a full 280G gross-up would likely trigger a negative say-on-pay recommendation at the 2025 AGM, where the incoming CEO's compensation package will be subject to a binding remuneration policy vote under the UK Corporate Governance Code 2024. A negative recommendation from ISS or Veltrano could result in significant shareholder opposition and potential failure of the remuneration policy vote, which would create substantial governance uncertainty for Northgate and its Board.
These market trends and proxy advisory considerations reinforce the recommendation that Northgate should include a best-net cutback provision (with no gross-up) in the initial term sheet and should resist any demand from Harding's counsel for a full or modified gross-up.
VI. Interaction with Change in Control Definition
A. Contractual CIC Definition
The proposed employment agreement will include a contractual definition of "change in control" that triggers the CIC severance provisions. Based on preliminary discussions, both sides are expected to agree on at least three triggering events:
(a) Acquisition trigger: The acquisition by any person, entity, or "group" (within the meaning of Section 13(d) of the Securities Exchange Act of 1934) of more than 50% of the combined voting power of the then-outstanding voting securities of Northgate Telecommunications PLC.
(b) Merger/consolidation trigger: The consummation of a merger, consolidation, or similar business combination involving Northgate Telecommunications PLC, unless Northgate's shareholders immediately prior to such transaction hold at least 50% of the combined voting power of the surviving or resulting entity immediately after the transaction.
(c) Asset sale trigger: The sale, lease, exchange, or other transfer of all or substantially all of the assets of Northgate Telecommunications PLC and its subsidiaries, taken as a whole, to any person or entity not affiliated with Northgate.
Harding is anticipated to demand a fourth triggering event:
(d) Board turnover trigger: A change in the composition of Northgate's Board of Directors such that a majority of the directors are replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of such appointment or election.
Northgate's Board, per initial indications from Geoffrey Stanton, Chair of the Remuneration Committee, is expected to reject the Board turnover trigger as overreach and inconsistent with UK corporate governance norms. Under UK practice, board composition changes — including those resulting from contested elections or activist campaigns — are generally not treated as CIC events in executive service agreements. Including such a trigger could be perceived as an entrenchment device and would likely attract criticism from institutional shareholders and proxy advisory firms.
B. Alignment with Section 280G Definition
The Section 280G definition of "change in control" is prescribed by Treasury Regulations and includes three categories of events, as described in Section II.B above: (i) change in ownership (>50% of voting stock), (ii) change in effective control (>30% of voting stock or majority board replacement within 12 months), and (iii) change in ownership of a substantial portion of assets (>40% of gross fair market value).
There is an important asymmetry between the contractual definition and the 280G definition with respect to the Board turnover trigger. The 280G definition of "change in effective control" already includes a majority board replacement trigger — specifically, a CIC is deemed to occur for 280G purposes when a majority of the corporation's board of directors is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the board prior to such appointment or election. This means that even if the contractual definition of CIC excludes the Board turnover trigger, the 280G analysis may still capture payments triggered by such an event if it constitutes a "change in effective control" under the Treasury Regulations. In such a scenario, if Harding's employment is terminated in connection with a board turnover event that meets the 280G definition, and if the employment agreement's severance provisions are triggered by another mechanism (e.g., a termination without cause that happens to coincide with the board turnover), the payments could be subject to the parachute payment analysis regardless of the absence of a Board turnover trigger in the contractual CIC definition.
Drafting Consideration. If the contractual CIC definition is broader than the 280G definition — for example, if it includes a Board turnover trigger at a lower threshold than the 280G definition, or if it includes additional triggering events not contemplated by Section 280G — payments triggered solely by the contractual definition but not by a 280G "change in control" would not be treated as parachute payments and would not be subject to excise tax. This is a potential structuring opportunity: if certain CIC-related payments can be isolated to a contractual trigger that does not meet the 280G definition, those payments could potentially be excluded from the parachute payment calculation. However, this approach creates significant complexity in administration and calculation, and the IRS may scrutinize arrangements that appear designed to artificially separate parachute payments from the 280G framework.
Recommendation. We recommend aligning the contractual CIC definition as closely as possible with the Section 280G definition to simplify administration and avoid unintended consequences. Any divergence between the two definitions creates the risk that payments may be inadvertently included in or excluded from the parachute payment calculation, with potentially costly results. We also recommend that Northgate's UK counsel at Moorfield Bates LLP (Simon Aldridge, partner) be consulted regarding any implications under UK law and the UK Corporate Governance Code. In particular, the Board turnover trigger raises distinct issues under UK governance norms, and the interplay between US tax considerations and UK governance standards should be carefully coordinated.
VII. Reasonable Compensation Exception
A. Overview
The Treasury Regulations under Section 280G provide an important exception to the parachute payment rules: payments that constitute "reasonable compensation for personal services to be rendered on or after the date of the change in control" are not treated as parachute payments, even if they are contingent on a CIC. Treasury Regulation Section 1.280G-1, Q&A-9 and Q&A-42, describe this exception in detail.
This exception can potentially be used to reduce the aggregate parachute payment amount, thereby lowering the excise tax exposure or, in some cases, keeping total parachute payments below the safe harbor. The two most relevant applications of the reasonable compensation exception in Harding's case are: (i) allocation of a portion of CIC severance payments to restrictive covenant obligations (i.e., non-compete and non-solicitation covenants), and (ii) treatment of certain performance-based equity awards.
B. Restrictive Covenant Allocation
A portion of the CIC cash severance payment can potentially be allocated to Harding's agreement to abide by post-employment restrictive covenants — specifically, non-competition and non-solicitation obligations — as reasonable compensation for those obligations. Under this theory, the payment is not purely contingent on the CIC but is also consideration for Harding's agreement to refrain from competitive activity during the restrictive period. To the extent such an allocation is supported by a reasonable valuation, the allocated amount can be excluded from the parachute payment calculation.
The proposed employment agreement is expected to include a post-employment non-competition covenant. The two negotiating positions are as follows:
Northgate's proposal: 24-month non-compete, worldwide scope, covering the telecommunications and enterprise SaaS industries.
Harding's anticipated demand: 12-month non-compete, limited to North America and Western Europe, covering only a scheduled list of competitors.
The reasonable compensation exception depends critically on the scope and duration of the restrictive covenant. The longer and broader the non-compete, the greater the economic value of Harding's agreement to abide by it, and the greater the amount that can reasonably be allocated as consideration for the covenant. This creates a potentially counterintuitive dynamic in the negotiation: Harding's interest in minimizing the scope of the non-compete (from an employment mobility standpoint) is in tension with his interest in maximizing the amount that can be allocated to the covenant for Section 280G purposes (thereby reducing his excise tax exposure).
Recommendation. This dynamic should be flagged to Renata Vasquez as a potential strategic lever in the negotiation. A broader and longer non-compete may paradoxically benefit Harding by allowing a larger portion of CIC payments to be excluded from the parachute payment calculation under the reasonable compensation exception. This point could be used to encourage Harding's counsel to accept a more robust non-compete in exchange for a reduction in his excise tax exposure — or, alternatively, to support a larger allocation to the non-compete covenant if the scope and duration are negotiated to a mutually acceptable level.
A formal appraisal or valuation of the non-compete covenant would be required to support the allocation. Such valuations are typically performed by an independent compensation consultant (such as Whitmore Hobson LLP) using methodologies that consider the executive's earning capacity, the probability of competitive employment during the restrictive period, the geographic and industry scope of the restriction, and the economic value of the restriction to the employer. The valuation must be documented contemporaneously and should be in place before the CIC event to provide maximum defensibility against IRS challenge.
C. Performance-Based Equity
PSU grants that are subject to performance-based vesting conditions (such as TSR and revenue growth hurdles) may qualify for the reasonable compensation exception if the performance criteria are met prior to the CIC event. Under Treasury Regulation Section 1.280G-1, Q&A-42(a), payments under a plan or arrangement that constitutes reasonable compensation for services actually rendered (as opposed to compensation contingent on the CIC) may be excluded from the parachute payment calculation.
For Harding's sign-on PSU grant ($6,400,000, three-year cliff vesting subject to TSR and revenue growth hurdles), this exception would be available only to the extent that the performance conditions are satisfied before the CIC event. If the CIC occurs before the end of the performance period and the PSUs have not yet met their performance criteria, the acceleration of vesting at target (or any other level) would be entirely contingent on the CIC and would be included in the parachute payment calculation. Conversely, if the performance conditions are met before the CIC, the vesting of the PSUs may be attributable to the satisfaction of the performance conditions rather than the CIC, and a portion or all of the PSU value may be excludable.
The same analysis applies to annual LTI PSU grants ($5,400,000 per year, representing 60% of the $9,000,000 annual LTI allocation). The timing of the CIC relative to the performance period for each annual PSU grant will determine the extent to which the reasonable compensation exception is available.
This is an area where careful documentation and coordination with the compensation consultant and auditors are essential. The performance conditions, the method of determining whether they have been satisfied prior to the CIC, and the allocation of value between performance-based and CIC-contingent vesting should all be documented in detail.
VIII. Section 409A Considerations
While the primary focus of this memorandum is Section 280G, it is important to note that CIC severance payments must also comply with Section 409A of the Internal Revenue Code, which governs the taxation of nonqualified deferred compensation. Section 409A imposes severe penalties — including a 20% additional tax and interest — on deferred compensation that is not structured and administered in accordance with the statute and regulations.
The key Section 409A issues relevant to the CIC severance provisions in Harding's employment agreement are as follows:
CIC Definition for 409A Purposes. Section 409A permits the payment of deferred compensation upon a "change in control event" only if the event satisfies one of the three permissible definitions set forth in Treasury Regulation Section 1.409A-3(i)(5): (i) change in ownership (based on more than 50% of the value or voting power of the corporation's stock), (ii) change in effective control (based on 30% of voting power or majority board replacement), or (iii) change in ownership of a substantial portion of assets (based on 40% of gross fair market value). If the contractual CIC definition in the employment agreement differs from the Section 409A definition — for example, if the contractual definition is broader and includes events that do not qualify as a 409A "change in control event" — a "dual trigger" structure may be required. Under a dual trigger, payment would be made only upon a CIC that satisfies both the contractual definition and the 409A definition, with payments triggered by a contractual CIC that does not meet the 409A definition deferred until a subsequent permissible distribution event (such as separation from service).
Timing of Payments. Lump-sum CIC severance payments must be paid within the "short-term deferral period" (generally, within 2½ months after the end of the taxable year in which the CIC occurs) or upon a qualifying Section 409A event to avoid treatment as deferred compensation. If the CIC severance is not paid within the short-term deferral period, it will be subject to Section 409A and must comply with the statute's timing and form-of-payment requirements. The employment agreement should specify the timing of payment with precision to avoid inadvertent 409A violations.
Six-Month Delay for Specified Employees. Under Section 409A(a)(2)(B)(i), payments of deferred compensation made to a "specified employee" of a publicly traded company upon separation from service must be delayed for six months following the date of separation. Harding will almost certainly be a "specified employee" of NTP US (as a publicly traded company's CEO), and any CIC severance payments that constitute Section 409A deferred compensation would be subject to the six-month delay unless an exception applies (such as the short-term deferral exception or the "change in control" exception that permits payment upon a 409A-qualifying CIC event without regard to the six-month delay).
Recommendation. We recommend that a full Section 409A compliance review be integrated into all CIC payment provisions in the employment agreement from the initial drafting stage. The interaction between the Section 280G analysis and the Section 409A analysis is complex — the 280G-driven incentive to reduce or restructure CIC payments must be coordinated with the 409A requirement that payment timing and triggers comply with specific statutory rules. This analysis should be coordinated with the broader Section 409A review that is being conducted for the employment agreement as a whole, covering base salary, annual bonus, equity compensation, and deferred compensation provisions.
IX. UK Corporate Governance and Shareholder Considerations
Although Section 280G is a provision of the US Internal Revenue Code and applies to payments made by NTP US (a Delaware corporation), the governance overlay is critical because Northgate Telecommunications PLC is a UK-listed public limited company subject to the UK Corporate Governance Code 2024 (the "Code"). The Code imposes significant constraints on executive remuneration that must be considered in conjunction with the US tax analysis.
Provision 40 of the Code provides that notice periods for executive directors should be set at one year or less. While Harding will not be a director of the UK-listed parent company (his employment will be with NTP US), his role as group CEO means that his compensation arrangements will be disclosed in Northgate's Annual Report on Remuneration and will be subject to scrutiny under the Code. CIC severance multiples of 2.5x or 3x the sum of base salary and target bonus significantly exceed UK market norms, where typical CIC severance for FTSE 100 companies ranges from 1x to 2x base salary (and rarely includes a bonus multiplier). The proposed CIC severance for Harding — even at Northgate's proposed 2.5x level — will therefore be viewed as generous by UK standards and will require careful explanation in the remuneration report.
Binding Remuneration Policy Vote. The incoming CEO's compensation package will be subject to a binding remuneration policy vote at the 2025 Annual General Meeting. Under the Code and the Companies Act 2006, Northgate must present its directors' remuneration policy for shareholder approval at least every three years, and any new employment arrangement for an executive director (or, in this case, a group CEO employed by a subsidiary) that deviates from the existing approved policy must be put to a shareholder vote. A failure to obtain shareholder approval of the remuneration policy would prevent Northgate from implementing the proposed compensation arrangements and would create significant governance uncertainty.
Institutional Shareholder Considerations. Northgate's top institutional shareholders include:
• Caledonian Asset Management — 8.3% of outstanding ordinary shares
• Pemberton Capital Group — 6.7%
• Thornbury Investment Trust — 5.1%
• Regis Global Equity Fund — 4.4%
• Atlas Pension Fund — 3.2%
Many of these shareholders follow ISS or similar proxy advisory recommendations in formulating their voting positions on remuneration matters. As noted above, Sandra Kolb at Veltrano Proxy Advisors, Inc. has informally indicated that a 3x CIC multiplier combined with a full 280G gross-up would likely trigger a negative say-on-pay recommendation from ISS and similar advisory firms. A negative recommendation could result in a material reduction in shareholder support — Northgate's 87.4% support at the 2024 AGM say-on-pay vote provides a healthy margin, but a shift of even 10–15 percentage points could bring the vote uncomfortably close to the majority threshold. A failed remuneration policy vote would be a significant governance event with potential reputational and operational consequences.
Strategic Consideration. Even if the after-tax economics favor a gross-up from Harding's individual perspective, the governance and shareholder-relations cost of a gross-up may be significant and should be a central element of Northgate's negotiation position. The Board should be advised that including a full 280G gross-up in the CEO employment agreement creates a meaningful risk of adverse proxy advisory recommendations and reduced sharehold

ATTORNEY-CLIENT PRIVILEGED / ATTORNEY WORK PRODUCT

MEMORANDUM

MATTER NO.: 1022-00004

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