FR EA
1022-00002 · Northgate Telecommunications PLC · Engagement & Matter Management
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PRIVILEGED AND CONFIDENTIAL — ATTORNEY WORK PRODUCT

INTERNAL MEMORANDUM

FROM: Simone Laroche, Lead Associate, Litigation (General) Jeffrey Park, Working Associate, Litigation (General)

TO: Sylvia Hartwell, Responsible Partner (Tax) Leonard Cross, Billing Partner (Tax)

CC: Harold Wren, Of Counsel (Communications & Regulatory)

DATE: January 15, 2024

RE: Matter Status and Dormancy Assessment — Northgate Telecommunications PLC / Ridgeline Wireless Holdings LLC Spectrum License Acquisition

MATTER NO.: 1018-00009

CLIENT: Northgate Telecommunications PLC ("Northgate" or "NTP")

This memorandum is protected by the attorney-client privilege and the work product doctrine. It is intended solely for the internal use of Calderwood & Harkness LLP attorneys and staff working on the referenced matter. This memorandum should not be disclosed to any person outside the firm without the express written authorization of the Responsible Partner. Any inadvertent disclosure does not constitute a waiver of any applicable privilege or protection.

I. Purpose and Executive Summary

The purpose of this memorandum is to provide a comprehensive status assessment of Matter No. 1018-00009 following an extended period of dormancy and to recommend next steps, including client outreach, fee collection, and disposition of the engagement. This matter has been substantially inactive since approximately February 2023, and several critical deadlines and triggering events have occurred during the intervening period that require immediate attention by the responsible attorneys and firm leadership.

By way of brief summary, this matter involves the proposed acquisition by Northgate Wireless Americas Inc. ("NWA"), a Delaware corporation (File No. 7284619) and wholly owned indirect subsidiary of Northgate Telecommunications PLC (Companies House No. 08473291; LSE: NGTL), of fourteen (14) FCC Wireless Radio Service licenses in the Meridian Technologies-3 / Band 66 spectrum band from Ridgeline Wireless Holdings LLC ("Ridgeline"), a Nevada limited liability company (NV SOS Entity No. E0428716302). The transaction is structured as a bare license transfer — an asset purchase of spectrum authorizations only — with Ridgeline retaining its operating business and subscriber base.

The FCC application for consent to the assignment of the licenses (FCC File No. 0010287-EX) was filed on October 14, 2022, and remains pending. The application has been effectively dormant since approximately February 2023, when the last filing was submitted to the FCC's Wireless Telecommunications Bureau ("WTB") in response to an informal information request. No FCC action — neither grant nor dismissal — has been taken on the application. There is a significant and growing risk that the WTB may dismiss the application sua sponte for failure to prosecute.

The underlying Asset Purchase Agreement ("APA") was executed on September 22, 2022, at a fixed purchase price of $126,500,000. The transaction stalled in December 2022 when Ridgeline, through its counsel Hargrove, Sato & Caldwell LLP, demanded an upward price adjustment of $14.2 million (to $140,700,000), citing an alleged competing bid for certain California licenses. Northgate rejected this demand on December 19, 2022, and the matter has been in a state of effective standstill since that time. The parties executed an Extension Agreement on April 22, 2023, extending the Long-Stop Date from March 15, 2023 to September 30, 2023, without prejudice to either party's position on the price dispute. The Extended Long-Stop Date of September 30, 2023, has now passed without closing and without either party issuing a formal termination notice under the APA.

The last substantive inter-party communication was a letter dated November 8, 2023, from Hargrove, Sato & Caldwell LLP to Calderwood & Harkness LLP. That letter has not been responded to. No further communication has been received from Ridgeline or its counsel in over two months.

Northgate has significant financial exposure in connection with this matter. An earnest money deposit of $4,500,000 remains held in escrow by Meridian National Bank, N.A., in Los Angeles, California. The conditions for release of the deposit — whether to the Buyer (return) or the Seller (forfeiture) — depend on the characterization of any termination of the APA and the allocation of fault for the failure to close. If Northgate is deemed to be the party in breach or if the APA is characterized as having lapsed by Buyer's failure to close, there is a significant risk of forfeiture of the entire deposit.

From a billing perspective, the firm has billed a total of $847,320 against a Phase 1 fee cap of $1,250,000, consuming approximately 67.8% of the capped amount. The firm currently holds $23,450 in unbilled work-in-progress and has $112,600 in outstanding accounts receivable from invoices issued in October, November, and December 2023, which are now 15 to 75+ days past due. The client's payment pattern has slowed significantly since the transaction entered standstill.

Based on the foregoing, we strongly recommend immediate client outreach to Priya Dasgupta, General Counsel of NTP, and Thomas Brennan, SVP, Regulatory Affairs, to discuss strategic direction and resolution of outstanding billing matters. Given the seniority of the client interlocutors and the financial significance of the decisions to be made, we further recommend that Sylvia Hartwell, as Responsible Partner, initiate the client communication. The balance of this memorandum provides the detailed factual and procedural background necessary to support that outreach and inform the firm's strategic recommendations.

II. Background and Transaction Overview

A. Parties. The following is a detailed description of the principal parties to the transaction, their corporate structures, key personnel, and professional advisors.

1. Buyer / Assignee

The designated buyer and FCC assignee is Northgate Wireless Americas Inc. ("NWA"), a Delaware corporation with its principal office at 2200 Wilson Boulevard, Suite 1450, Arlington, Virginia 22201 (Delaware Division of Corporations File No. 7284619). NWA was incorporated on August 22, 2022, as a special-purpose entity formed specifically for this transaction. NWA is 100% owned by Northgate US Holdings LLC ("NUS Holdings"), a Delaware limited liability company formed on August 30, 2022. NUS Holdings, in turn, is 100% owned by Northgate Telecommunications PLC ("NTP" or "Northgate"), the ultimate parent company.

NTP is a public limited company incorporated in England and Wales (Companies House No. 08473291) with its registered office at 14 Cavendish Square, London W1G 0BX, United Kingdom. NTP's ordinary shares are listed on the London Stock Exchange (ticker: NGTL). NTP is a UK-headquartered telecommunications and software/SaaS company with operations across Europe, the Middle East, and, through this proposed acquisition, prospective entry into the U.S. wireless market. As of Q3 2022, NTP's market capitalization was approximately £4.8 billion. NTP reported FY2021 revenue of £2.31 billion and projected FY2022 revenue of approximately £2.57 billion. NTP is led by Chief Executive Officer Marcus Enfield, with Priya Dasgupta serving as General Counsel and Thomas Brennan serving as Senior Vice President, Regulatory Affairs.

The Vice President, U.S. Operations for NWA is Claire Matsuda, who has served as the primary day-to-day contact for the firm on operational and regulatory matters related to the transaction.

2. Seller / Assignor

The seller and FCC assignor is Ridgeline Wireless Holdings LLC ("Ridgeline"), a Nevada limited liability company (NV Secretary of State Entity No. E0428716302) with its principal office at 450 South Virginia Street, Suite 800, Reno, Nevada 89501. Ridgeline was founded in 2014 and operates as a regional wireless operator providing service in portions of Nevada, eastern California, and southern Oregon.

Ridgeline's ownership and management structure is as follows:

• Garrett Nolan — 62% membership interest; co-manager and founder.

• Diane Chua — 18% membership interest; co-manager.

• Pinnacle Growth Capital Fund II LP — 12% membership interest; minority passive member. Pinnacle Growth Capital Fund II LP is a Delaware limited partnership whose general partner is Pinnacle Growth Capital Management LLC. The Managing Director of Pinnacle Growth Capital Management LLC is Robert Almeda, with offices at 600 Lexington Avenue, 28th Floor, New York, New York 10022.

• Crestwood Family Office LLC — 8% membership interest; minority passive member. Crestwood Family Office LLC is managed by Eleanor Crestwood, with offices at 9850 Double R Boulevard, Suite 200, Reno, Nevada 89521.

Ridgeline is a regional wireless operator with approximately 142,000 subscribers. For FY2021, Ridgeline reported revenue of approximately $87.4 million and EBITDA of approximately $19.2 million.

3. Ridgeline's Counsel

Ridgeline is represented in this transaction by Hargrove, Sato & Caldwell LLP, 100 West Liberty Street, Suite 1200, Reno, Nevada 89501. The lead partner is Kevin Sato, with Mariana Quelibo serving as associate on the matter.

4. Sell-Side Financial Advisor

Ridgeline engaged Stonebridge Advisory Group LLC as its sell-side financial advisor for the transaction. The Managing Director responsible for the engagement is Helen Tran, with offices at 555 California Street, Suite 2100, San Francisco, California 94104.

B. Transaction Structure

The transaction is structured as an asset purchase of fourteen (14) FCC spectrum licenses in the Meridian Technologies-3 / Band 66 frequency band, authorized under Part 27 of the FCC's Rules (47 C.F.R. Part 27). The licenses represent a total of 39 MHz of paired spectrum — 39 MHz in the uplink band and 39 MHz in the downlink band, for a combined 78 MHz of total paired bandwidth. The individual license call signs are WQAB201 through WQAB214.

The geographic coverage of the fourteen licenses encompasses multiple Economic Areas ("EAs") in Nevada, eastern California, and southern Oregon, covering an aggregate population of approximately 3.84 million POPs (points of population). This geographic footprint was a significant strategic consideration for NTP in its planned entry into the U.S. wireless market.

It is important to note that this is a bare license transfer only. Under the terms of the APA, Ridgeline retains its operating wireless business, including its network infrastructure, subscriber relationships (approximately 142,000 accounts), and all other tangible and intangible assets not specifically identified as transferred spectrum licenses. The transaction does not include the transfer of any customer accounts, network equipment, tower leases, backhaul agreements, or other operational assets.

Based on the purchase price of $126,500,000 and the aggregate of approximately 149.76 million MHz-POPs covered by the fourteen licenses, the implied per-MHz-POP price is approximately $0.845. This metric was a key benchmark in the original valuation analysis performed by Vantage Spectrum Consultants Inc. and was considered to be within the range of comparable Meridian Technologies-3 spectrum transactions at the time the APA was executed.

C. Key Transaction Timeline

The following is a chronological summary of the key milestones and events in the history of this transaction:

June 15, 2022: Letter of Intent ("LOI") executed between NTP (on behalf of its to-be-formed U.S. subsidiary) and Ridgeline Wireless Holdings LLC. The LOI contemplated the acquisition of spectrum licenses at a purchase price to be determined through due diligence and valuation.

August 16, 2022: Calderwood & Harkness LLP engagement opened on behalf of Northgate Telecommunications PLC. The engagement was assigned Matter No. 1018-00009. Sylvia Hartwell was designated as Responsible Partner and Leonard Cross as Billing Partner.

August 22, 2022: Northgate Wireless Americas Inc. ("NWA") incorporated in the State of Delaware as the designated buyer entity.

August 30, 2022: Northgate US Holdings LLC ("NUS Holdings") formed in the State of Delaware as the intermediate holding entity between NTP and NWA.

September 12, 2022: Vantage Spectrum Consultants Inc. (Dr. Raymond Kessler, Principal; 1700 Pennsylvania Avenue NW, Suite 520, Washington, DC 20006) delivered its spectrum valuation report to NTP. The report concluded that a purchase price of $126,500,000 was within the range of fair market value for the subject licenses, based on comparable transactions and discounted cash flow analysis. Vantage's fee of $175,000 was paid directly by Northgate and was not passed through to Calderwood & Harkness.

September 22, 2022: Asset Purchase Agreement executed by and among Northgate Wireless Americas Inc. (as Buyer/Assignee), Ridgeline Wireless Holdings LLC (as Seller/Assignor), and, solely for purposes of certain guarantee provisions, Northgate Telecommunications PLC (as Parent Guarantor). The purchase price was fixed at $126,500,000 pursuant to Section 3.1 of the APA, with no adjustment mechanism or earn-out provision.

September 30, 2022: Earnest money deposit of $4,500,000 (representing approximately 3.56% of the purchase price) funded into escrow at Meridian National Bank, N.A. (Sandra Okonkwo, Escrow Officer; 333 South Hope Street, Suite 4800, Los Angeles, California 90071). The Escrow Agreement provides for an annual escrow fee of $12,500, payable by Northgate, for the maintenance of the escrow account. The terms governing release of the deposit are summarized in Section IV.D below.

III. FCC Application Status

A. Filing History

On October 14, 2022, a joint application was filed with the Federal Communications Commission seeking consent to the assignment of the fourteen spectrum licenses from Ridgeline to NWA. The filing consisted of: (i) FCC Form 603 (Application for Assignment of Authorization); and (ii) a concurrent Petition for Declaratory Ruling under Section 310(b)(4) of the Communications Act of 1934, as amended (47 U.S.C. § 310(b)(4)), seeking advance approval for indirect foreign ownership of NWA by NTP (a United Kingdom entity). The application was assigned FCC File No. 0010287-EX.

The application identified Northgate Wireless Americas Inc. as the proposed Assignee and Ridgeline Wireless Holdings LLC as the Assignor. The application was prepared and filed by Broadfield Whitaker LLP (Annette Galvez, lead partner; Daniel Fong, senior associate), located at 1401 H Street NW, Suite 750, Washington, DC 20005, serving as FCC regulatory co-counsel to Northgate. Calderwood & Harkness LLP, through Harold Wren of the firm's Washington, DC office at 1875 K Street NW, Suite 600, Washington, DC 20005, reviewed the application and provided input on the foreign ownership analysis and the Section 310(b)(4) petition.

Subsequent key milestones in the FCC application process are as follows:

October 28, 2022: The FCC accepted the application for filing, having determined that it was substantially complete and met the Commission's procedural requirements for processing.

November 3, 2022: The FCC's Wireless Telecommunications Bureau issued a public notice announcing the acceptance of the application and opening a comment period for interested parties to file petitions to deny or informal objections.

December 5, 2022: The comment period closed. No formal petitions to deny were filed. However, one informal objection was filed, as described in Section III.B below.

B. Great Basin Informal Objection

On November 28, 2022, the Great Basin Rural Broadband Cooperative, a Nevada cooperative providing broadband and wireless services in rural areas of northern Nevada, filed an informal objection to the application. The objection raised concerns regarding the potential implications of foreign ownership of spectrum licenses in rural service areas, specifically alleging that the proposed indirect ownership of NWA by NTP, a United Kingdom public limited company, raised issues under Section 310(b)(4) of the Communications Act that had not been adequately addressed in the Section 310(b)(4) petition.

On December 9, 2022, Northgate, acting through Broadfield Whitaker LLP, filed a timely opposition to the informal objection. The opposition argued that: (i) the Section 310(b)(4) petition filed concurrently with the application fully and adequately addressed all foreign ownership issues; (ii) NTP is an entity organized under the laws of the United Kingdom, which is a member nation of the World Trade Organization, and therefore FCC precedent supports a presumption in favor of approval under the Commission's foreign ownership rules; and (iii) the informal objection did not identify any specific competitive harm, national security concern, or other public interest basis for denying the application.

The Great Basin Rural Broadband Cooperative did not file a reply to Northgate's opposition, and the informal objection remains pending before the WTB without resolution.

C. Section 310(b)(4) Foreign Ownership Analysis

The proposed ownership chain for purposes of Section 310(b)(4) analysis is as follows:

NWA (Delaware corporation, FCC licensee) → NUS Holdings LLC (Delaware limited liability company, 100% owner of NWA) → Northgate Telecommunications PLC (England & Wales public limited company, LSE-listed, 100% owner of NUS Holdings)

At the time the Section 310(b)(4) petition was filed, the significant shareholders of NTP (holding 5% or more of NTP's outstanding ordinary shares) were as follows:

Under Section 310(b)(4) of the Communications Act (47 U.S.C. § 310(b)(4)), the FCC may prohibit indirect foreign ownership of a common carrier radio licensee in excess of 25% if the Commission finds that the public interest would be served by such a prohibition. However, the FCC has adopted a rebuttable presumption that indirect foreign ownership is permissible where the foreign ownership is attributable to entities organized in countries that are members of the World Trade Organization. Both the United Kingdom and Switzerland are WTO member nations. Accordingly, the Section 310(b)(4) petition seeks FCC approval for up to 100% indirect foreign ownership of NWA by NTP and its shareholders.

The legal analysis supporting the petition was set forth in a separate internal memorandum prepared by Harold Wren and Annette Galvez, dated October 10, 2022, and is cross-referenced in Section X of this memorandum.

D. WTB Information Request and Response

On January 19, 2023, the FCC's Wireless Telecommunications Bureau issued an informal information request letter to the applicants, seeking additional details on the following topics:

(a) NTP's corporate governance structure, including the composition and nationality of its board of directors and senior management;

(b) Additional detail regarding the identity and nationality of shareholders holding 5% or more of NTP's outstanding shares, including any changes in shareholding since the filing of the application;

(c) Identification of any foreign government ownership or control of NTP, directly or indirectly; and

(d) A description of any existing or pending regulatory approvals by non-U.S. governmental authorities in connection with the proposed transaction.

On February 10, 2023, a comprehensive response to the WTB information request was filed by Broadfield Whitaker LLP, with input and review from Calderwood & Harkness LLP. The response provided the requested information, confirmed that there was no foreign government ownership or control of NTP, and identified the applicable non-U.S. regulatory approvals (including UK Ofcom notification requirements, which were determined to be non-substantive).

This was the last filing activity on the FCC docket. No further filings have been made, and no further requests for information have been received from the WTB, since February 10, 2023.

E. National Security Review Status

The proposed transaction is subject to review by the Committee for the Assessment of Foreign Participation in the United States Telecommunications Services Sector, established pursuant to Executive Order 13913 (April 4, 2020). This interagency committee (commonly referred to as "Team Telecom") reviews applications for FCC licenses, transfers, and assignments involving foreign ownership to assess potential national security and law enforcement risks.

As of December 2022, a preliminary review by Team Telecom had been conducted, and no national security concerns had been identified. However, formal clearance has not been issued. The Team Telecom review process has been in abeyance since the underlying transaction stalled, and no affirmative steps have been taken to advance the review since approximately February 2023.

It should be noted that formal Team Telecom clearance is a prerequisite to FCC grant of the application. Even if the WTB were otherwise prepared to act on the application, it would not grant consent to the assignment in the absence of Team Telecom clearance. Accordingly, reactivation of the transaction would require engagement with Team Telecom in addition to the WTB.

F. Current Dormancy and Dismissal Risk

FCC File No. 0010287-EX has been effectively dormant since approximately February 2023 — a period of nearly eleven months as of the date of this memorandum. During this period:

• No filings have been submitted to the FCC by either party to the application.

• No FCC action has been taken — the application has been neither granted nor dismissed.

• No status inquiries or follow-up information requests have been issued by the WTB.

• No communications have been received from Team Telecom.

This extended dormancy presents a significant and immediate risk of dismissal. The FCC's rules and practices provide the WTB with authority to dismiss applications for failure to prosecute where the applicant has failed to respond to Commission inquiries, to take steps to advance the application, or to demonstrate that the underlying transaction remains viable. While there is no fixed statutory or regulatory deadline for automatic dismissal, WTB staff have informally indicated — in communications with Broadfield Whitaker attorneys on other matters — that applications in this dormancy posture may be subject to dismissal, and that the staff had expected the underlying transaction to be reactivated by approximately Q4 2023. That timeframe has now passed.

The immediate risk is that the WTB could dismiss the application sua sponte at any time, without further notice to the parties. If the application is dismissed, the parties would be required to file a new application to restart the regulatory approval process. A new filing would entail additional costs (including FCC filing fees, counsel fees, and the preparation of updated disclosures), renewed public notice and comment periods, and a renewed Team Telecom review. Depending on the timing of any re-filing, changes in FCC policy, Commission composition, or the regulatory landscape could also affect the prospects for approval.

We assess the risk of dismissal as high and recommend that immediate steps be taken — as set forth in Section VIII below — to either preserve or withdraw the pending application, depending on the client's strategic direction.

IV. APA Status and Purchase Price Dispute

A. Purchase Price Dispute

The transaction has been in a state of effective standstill since December 2022, when a dispute arose over the purchase price.

On December 14, 2022, Ridgeline, acting through its counsel Kevin Sato at Hargrove, Sato & Caldwell LLP, sent a letter to Calderwood & Harkness LLP notifying Northgate of a demand for an upward price adjustment of $14.2 million, from the contracted purchase price of $126,500,000 to $140,700,000. The stated basis for the demand was an alleged competing bid from an unnamed third party for certain of the California licenses included in the transaction — specifically, licenses covering Economic Areas Nos. 155 and 159. The letter did not identify the alleged competing bidder, disclose the terms of the purported competing bid, or provide any documentary support for the claim.

On December 19, 2022, Northgate, acting through Calderwood & Harkness LLP (letter drafted and sent by Simone Laroche to Kevin Sato), formally rejected the demand in its entirety. The rejection letter cited the following grounds:

(a) Section 3.1 of the APA expressly provides for a fixed purchase price of $126,500,000, with no adjustment mechanism, earn-out, or price-reopener provision of any kind;

(b) The APA contains no provision authorizing either party to demand a price adjustment based on the existence or alleged existence of competing bids;

(c) Ridgeline's obligation to sell the licenses at the agreed-upon price is unconditional, subject only to the satisfaction of the closing conditions expressly set forth in the APA; and

(d) Any attempt to condition closing on a price increase would constitute a material breach of the APA by Ridgeline.

Since the exchange of these letters, neither party has taken any further affirmative steps to resolve the price dispute. No mediation or arbitration proceedings have been initiated, and no formal demand for performance has been made by either side. The transaction has remained in a state of suspended performance.

B. Long-Stop Date and Extension

The APA contained an original Long-Stop Date of March 15, 2023, by which the closing of the transaction was to occur (subject to the satisfaction or waiver of all closing conditions, including FCC approval). As the Long-Stop Date approached with no resolution of the price dispute and no FCC action on the pending application, the parties negotiated an extension.

On April 22, 2023, the parties executed an Extension Agreement extending the Long-Stop Date from March 15, 2023 to September 30, 2023. The Extension Agreement was executed without prejudice to either party's position on the purchase price dispute. Specifically, the Extension Agreement included a recital stating that the extension was being granted "solely for the purpose of allowing additional time for the satisfaction of the conditions to Closing set forth in the APA, and not as a waiver, release, or modification of any party's rights, remedies, claims, or defenses under the APA or at law or in equity."

The Extended Long-Stop Date of September 30, 2023, has now passed without closing. Critically, neither party has issued a formal notice of termination under the APA. The APA provides that either party may terminate the agreement by written notice to the other party if the closing has not occurred by the Long-Stop Date, provided that the terminating party is not in material breach of its obligations under the APA. As of the date of this memorandum, no such notice has been sent by either Northgate or Ridgeline.

This creates a state of legal uncertainty. The APA may be in one of several possible postures:

(i) Suspended performance: The APA may remain in effect, with neither party having exercised its termination right, and both parties' obligations continuing (or being tolled) pending resolution of the price dispute and reactivation of the FCC application.

(ii) Triggered but unexercised termination rights: Both parties may have the right to terminate the APA by notice, but neither has yet elected to do so. Until a termination notice is issued, the APA may remain in force by default.

(iii) Automatic termination or lapse: Depending on the interpretation of the APA's termination provisions and governing law (the APA is governed by New York law), there is an argument that the APA may have terminated automatically upon the passage of the Long-Stop Date. However, we believe this interpretation is unlikely given the express requirement of written notice for termination, but the point has not been fully briefed.

A detailed analysis of the termination provisions and the legal implications of the current posture is identified as an outstanding action item in Section VIII below.

C. Last Inter-Party Communication

The last substantive communication between the parties was a letter dated November 8, 2023, from Hargrove, Sato & Caldwell LLP to Calderwood & Harkness LLP. The letter was addressed to Simone Laroche and was signed by Kevin Sato. The letter inquired about Northgate's intentions with respect to the transaction and the FCC application, and stated that Ridgeline was "evaluating its options" in light of the passage of the Long-Stop Date. The letter did not constitute a formal termination notice, but its tone and content suggested that Ridgeline may be considering termination or may be seeking to provoke a response from Northgate that could be used to support a claim that Northgate has abandoned the transaction.

As of the date of this memorandum, the November 8, 2023 letter has not been responded to. This is a matter of concern, as an extended failure to respond could be characterized by Ridgeline as evidence of Northgate's disengagement from the transaction, potentially supporting an argument that Northgate has constructively abandoned the APA or waived its rights under the agreement. We strongly recommend that a response be drafted and sent promptly, as set forth in the action items in Section VIII below.

No further communication has been received from Ridgeline or its counsel in over two months since the November 8, 2023 letter.

D. Escrow Deposit Exposure

The earnest money deposit of $4,500,000 remains held in escrow by Meridian National Bank, N.A. (Sandra Okonkwo, Escrow Officer; 333 South Hope Street, Suite 4800, Los Angeles, California 90071) pursuant to the Escrow Agreement dated September 30, 2022. The deposit was funded by Northgate on September 30, 2022, simultaneously with the execution of the Escrow Agreement.

The Escrow Agreement, read in conjunction with the APA, establishes the following conditions for release of the deposit:

Release to Buyer (Return of Deposit): The deposit is to be released to NWA (or its designee) if (a) the APA is terminated by Northgate due to a material breach by Ridgeline that remains uncured following notice and the applicable cure period; (b) the APA is terminated by mutual written agreement of the parties with a direction to release the deposit to Buyer; or (c) the FCC denies the application for assignment and neither party is at fault for such denial.

Release to Seller (Forfeiture of Deposit): The deposit is to be released to Ridgeline if (a) the APA is terminated by Ridgeline due to a material breach by Northgate that remains uncured following notice and the applicable cure period; (b) Northgate fails to close by the Long-Stop Date (as extended) and such failure is not attributable to a breach by Ridgeline or to the non-satisfaction of a regulatory closing condition.

The characterization of any termination — and, critically, the allocation of fault for the failure to close — will determine whether the deposit is returned to Northgate or forfeited to Ridgeline. This is a matter of significant financial exposure for the client. If Northgate is deemed to be the party in breach (for example, by failing to take reasonable steps to advance the FCC application or by failing to close by the Extended Long-Stop Date), Ridgeline could assert a claim to the deposit. Conversely, if Ridgeline's unjustified price adjustment demand is found to constitute a breach of the APA, Northgate would have a strong argument for return of the deposit.

The annual escrow fee of $12,500 continues to accrue and is payable by Northgate for so long as the deposit remains in escrow. This ongoing cost, while modest in absolute terms, is an additional consideration in favor of prompt resolution of the matter.

E. R&W Insurance Status

In connection with the transaction, Apex Continental Insurance Ltd. (Fiona Ashworth, Underwriter) issued indicative terms for a representations and warranties ("R&W") insurance policy. Apex Continental is a Bermuda-domiciled insurance company with a U.S. branch office at 140 Broadway, Suite 3500, New York, New York 10005.

The indicative terms contemplated a premium of approximately $1,012,000 (representing approximately 0.8% of the $126,500,000 purchase price) for a buyer-side R&W insurance policy covering breaches of Ridgeline's representations and warranties in the APA. The policy was to have a retention (self-insured deductible) and coverage limits that were being negotiated at the time the transaction stalled.

The R&W policy has not been bound. The indicative terms remain in suspense pending reactivation of the deal. If the transaction lapses or is formally terminated, the indicative terms will expire and no premium will be owed to Apex Continental. However, if the transaction is reactivated, it is uncertain whether Apex Continental would honor the original indicative terms or would require updated underwriting, potentially at a higher premium or on different terms, given the passage of time and the changed circumstances of the transaction.

V. Buildout Compliance Risk (FCC Licenses)

A significant regulatory consideration affecting the viability of the transaction is the status of FCC buildout (construction) obligations applicable to the fourteen spectrum licenses.

Under the FCC's rules governing Meridian Technologies-3 licenses (47 C.F.R. Part 27), licensees are required to meet specified construction benchmarks within defined timeframes or face potential enforcement consequences, including license revocation, reduced license terms, or conditions on license renewal. The relevant benchmarks for the licenses at issue are as follows:

Interim Construction Benchmark: Licensees must demonstrate that they have constructed and are providing service covering a specified percentage of the population within the licensed service area by the interim benchmark deadline. For the licenses at issue, the interim benchmark deadline is March 2025 — approximately fourteen (14) months from the date of this memorandum.

Final Construction Deadline: Licensees must demonstrate compliance with final buildout requirements by March 2028.

As of the most recent information available to the firm, the buildout compliance status of the fourteen licenses is as follows:

• Eleven (11) of fourteen (14) licenses (call signs WQAB201 through WQAB211): Ridgeline has met the applicable interim construction benchmarks. These licenses are in compliance with FCC buildout requirements as of the date of this memorandum.

• Three (3) of fourteen (14) licenses (call signs WQAB212, WQAB213, and WQAB214): These licenses, which cover Economic Areas in southern Oregon, have NOT met the interim construction benchmarks. The interim benchmark deadline of March 2025 is approaching, and Ridgeline has not, to our knowledge, taken steps to bring these licenses into compliance.

This buildout compliance gap is relevant to the transaction in several respects:

First, if the licenses are transferred to NWA before the interim benchmark deadline, NWA — as the new licensee — would assume the buildout obligations and would be responsible for bringing the three southern Oregon licenses into compliance by March 2025. Given that NWA is a special-purpose acquisition entity with no existing network infrastructure, meeting the interim benchmark within approximately fourteen months of acquisition would require substantial capital expenditure and operational mobilization.

Second, failure to meet the interim construction benchmarks could result in FCC enforcement action, including the imposition of conditions on license renewal, reduction of the license term, or — in extreme cases — revocation of the affected licenses. Any such adverse action would materially diminish the value of the acquired spectrum and could expose NWA to regulatory liability.

Third, the approaching buildout deadline may affect the negotiating posture of both parties. Ridgeline may face its own compliance risk if it retains the licenses and fails to meet the benchmarks. Conversely, Northgate may use the buildout risk as leverage in any renegotiation of the purchase price, arguing that the value of the three non-compliant licenses is diminished.

A more detailed analysis of the buildout compliance risk is set forth in a separate internal memorandum (cross-referenced in Section X below), which was prepared by Harold Wren and Daniel Fong of Broadfield Whitaker and should be updated as part of any reactivation of the matter.

VI. Anti-Trafficking / Unjust Enrichment Considerations

An additional regulatory consideration that remains unresolved is the potential application of the FCC's anti-trafficking rules (47 C.F.R. § 1.2111) to the proposed transaction. These rules are designed to prevent licensees who acquire spectrum at FCC auction from immediately reselling ("flipping") the licenses at a profit without providing service, and to ensure that the public interest benefits of the auction process are preserved.

Under the anti-trafficking rules, a licensee that acquired its licenses at auction and that transfers those licenses within a specified holding period may be required to make an unjust enrichment payment to the U.S. Treasury equal to a portion of the difference between the auction price and the transfer price. The amount of the unjust enrichment payment is calculated on a sliding scale based on the length of time the licensee has held the licenses since the auction.

Several of the fourteen licenses at issue were originally acquired by Ridgeline (or its predecessor-in-interest) at FCC auction. The analysis of whether the anti-trafficking rules apply to these licenses — and, if so, the amount of any unjust enrichment payment obligation — remains pending as part of the regulatory workstream. This analysis was being conducted by Broadfield Whitaker LLP in consultation with Harold Wren, but was not completed before the transaction stalled.

If the anti-trafficking rules do apply, the resulting unjust enrichment payment obligation could be substantial and would need to be allocated between the parties as part of the transaction closing. The APA is silent on the allocation of unjust enrichment payments, which is an additional issue that would need to be addressed in any amendment or supplemental agreement.

This item requires resolution before any transaction close and should be included on the agenda for any client outreach regarding reactivation of the matter.

VII. Financial Status of the Engagement

A. Calderwood & Harkness LLP Fees and Billing

The firm's engagement on this matter is structured on an hourly-rate basis, with a blended rate estimate of approximately $875 per hour across the team of attorneys and paraprofessionals working on the matter. The engagement letter, executed on August 16, 2022, established the following fee arrangement:

Phase 1 Fee Cap: A fee cap of $1,250,000 applies to work related to the FCC application and regulatory approvals (including preparation and prosecution of the FCC Form 603 application, the Section 310(b)(4) petition, responses to WTB inquiries, and coordination with Team Telecom). This cap does not include expenses or disbursements.

Dispute-Related Work: No fee cap applies to work related to the purchase price dispute or other transactional disputes. Such work has been and will continue to be billed at standard hourly rates.

The current financial status of the engagement is summarized as follows:

The outstanding accounts receivable of $112,600 consists of invoices issued in October, November, and December 2023. Depending on the specific invoice dates, these invoices are now between 15 and 75+ days past due. The client's payment pattern has slowed significantly since the transaction entered standstill in late 2022. Prior to the standstill, Northgate was a prompt payer, typically remitting payment within 30 days of invoice date. Since approximately Q1 2023, the payment cycle has extended, and the three most recent invoices remain unpaid.

B. Co-Counsel and Third-Party Fees

In addition to Calderwood & Harkness's fees, the following co-counsel and third-party fees have been incurred in connection with this matter:

The Broadfield Whitaker fees of $318,750 represent the cost of FCC regulatory counsel services, including preparation and filing of the FCC Form 603 application, the Section 310(b)(4) petition, the opposition to the Great Basin informal objection, and the response to the WTB information request. These fees were passed through to Northgate and are not included in the Calderwood & Harkness fee totals above.

The Vantage Spectrum Consultants fee of $175,000 was paid directly by Northgate to Vantage and was not passed through or invoiced by Calderwood & Harkness.

The Meridian National Bank escrow fee of $12,500 per annum continues to accrue for so long as the earnest money deposit remains in escrow, and is payable by Northgate.

C. Billing Observations and Concerns

Several billing-related observations and concerns warrant attention from the Responsible Partner and Billing Partner:

Outstanding Accounts Receivable. The outstanding A/R balance of $112,600 is a cause for concern, particularly in the context of a matter that has been dormant for an extended period. The client may be deprioritizing payment of Calderwood & Harkness invoices given the uncertainty surrounding the transaction's future. However, the outstanding balance represents work that has been performed and for which the firm is entitled to compensation regardless of the outcome of the underlying transaction. We recommend that the outstanding A/R be raised with the client in the context of the strategic discussion described in Section VIII below.

Work-in-Progress. The current unbilled WIP of $23,450 is relatively modest and consists primarily of time spent monitoring the matter, reviewing the Hargrove Sato November 8 letter, and preparing this memorandum. If the matter remains inactive, additional WIP accumulation should be minimized until strategic direction is confirmed by the client. Attorneys working on this matter should be instructed to limit their time to essential monitoring and administrative tasks pending client instructions.

Dispute-Related Billing. Work related to the purchase price dispute has been billed at standard hourly rates outside the Phase 1 fee cap. To date, no separate dispute fee estimate has been provided to the client. If the dispute-related workstream is expected to expand — for example, if the client elects to pursue litigation or arbitration related to the purchase price dispute or the escrow deposit — a separate fee estimate or alternative fee arrangement should be discussed with the client.

Continued Engagement. We recommend that the firm clarify with the client whether Calderwood & Harkness should continue accruing time on this matter for monitoring and dormancy-related work, or whether the matter should be placed on formal hold pending client instructions. If the client does not intend to reactivate the transaction or otherwise engage the firm's services, appropriate steps should be taken to close the matter in accordance with the firm's matter management policies.

VIII. Summary of Outstanding Action Items

The following action items are outstanding and require prompt attention. They are presented in order of priority.

1. Client Outreach (Priority). Schedule a call with Priya Dasgupta (General Counsel, NTP) and Thomas Brennan (SVP, Regulatory Affairs) to discuss the following topics:

(a) Strategic direction: Does Northgate wish to pursue, abandon, or renegotiate the Ridgeline transaction? If Northgate wishes to pursue, what steps is the client prepared to take to resolve the purchase price dispute and reactivate the FCC application? If Northgate wishes to abandon the transaction, what is the preferred exit strategy — mutual termination, unilateral termination, or some other approach?

(b) FCC application: Decision on whether to maintain, seek to revive, or withdraw FCC File No. 0010287-EX. Given the risk of imminent dismissal for failure to prosecute, this decision is time-sensitive and should be made at the earliest opportunity.

(c) Escrow deposit: Strategy for preserving or recovering the $4,500,000 earnest money deposit held at Meridian National Bank, N.A. This discussion should include an assessment of the relative strength of each party's termination and forfeiture arguments under the APA and Escrow Agreement.

(d) Outstanding A/R and billing: Resolution of the $112,600 in outstanding accounts receivable and clarification of the client's expectations regarding future billing on this matter.

2. FCC Dismissal Risk Mitigation. If the client wishes to preserve the FCC application, immediate coordination with Broadfield Whitaker LLP (Annette Galvez) should be undertaken to file a status update, letter to the WTB, or formal request for extension before the application is dismissed sua sponte. The filing should confirm the parties' continued interest in the transaction and request that the WTB maintain the application on its pending docket. This action should be taken within days — not weeks — of receiving client authorization.

3. Draft Joint Stipulation for Abeyance. If both parties are amenable, a joint request to hold FCC File No. 0010287-EX in abeyance could be filed with the WTB. This approach would formally acknowledge the dormancy while preserving the application for potential reactivation. However, this option requires coordination with Hargrove, Sato & Caldwell LLP and Ridgeline's affirmative agreement, which may not be forthcoming given the current state of the parties' relationship.

4. APA Termination Analysis. Finalize the analysis of whether either party's termination rights have been triggered by the passage of the September 30, 2023, Extended Long-Stop Date and the implications of neither party having issued a formal termination notice. This analysis should address the following questions:

(a) Whether the APA remains in force, is in a state of suspended performance, or has lapsed or terminated by operation of its terms;

(b) Whether Northgate's termination right under the APA has been preserved, waived, or otherwise affected by the passage of time or by Northgate's failure to take action since the Extended Long-Stop Date;

(c) Whether Ridgeline's price adjustment demand constitutes a material breach of the APA sufficient to support a termination by Northgate and a claim for return of the escrow deposit;

(d) Whether Northgate's failure to respond to the November 8, 2023, Hargrove Sato letter, or its failure to take steps to advance the FCC application, could be characterized as a constructive abandonment of the APA or as a waiver of rights; and

(e) The implications of New York law (which governs the APA) on the foregoing questions, including any applicable doctrines of laches, waiver, or estoppel.

5. Respond to November 8, 2023, Correspondence. Draft and send a response to the Hargrove, Sato & Caldwell LLP letter dated November 8, 2023. The response should be carefully calibrated to preserve Northgate's rights under the APA without making any concessions or admissions that could be used against Northgate in any future dispute. The response should be reviewed and approved by the Responsible Partner before transmission.

6. Buildout Benchmark Timeline. Monitor the March 2025 interim buildout deadline for the three southern Oregon licenses (call signs WQAB212, WQAB213, and WQAB214). Assess whether the impending deadline affects the viability of the transaction or Northgate's negotiating posture. If the transaction is reactivated, the buildout compliance status of these licenses should be a key topic in the due diligence update and in any negotiations regarding price or closing conditions.

7. R&W Insurance. Confirm the status of the indicative terms from Apex Continental Insurance Ltd. Determine whether the indicative terms remain available or have lapsed due to the passage of time or changes in the risk profile of the transaction. If the transaction is reactivated, new underwriting may be required, and the firm should be prepared to assist the client in obtaining updated R&W insurance quotes.

8. Team Telecom Clearance. Follow up on the status of the Committee for the Assessment of Foreign Participation review under Executive Order 13913. Determine whether the review has been suspended, closed, or remains nominally pending. If the transaction is reactivated, the Team Telecom review will need to be restarted or continued, and coordination with the relevant agencies (including the Department of Justice, Department of Homeland Security, and Department of Defense) will be required.

IX. Recommendations

Based on the foregoing analysis, we make the following recommendations:

1. We strongly recommend immediate outreach to the client to obtain strategic direction before taking any further substantive action on this matter. The transaction has been in a state of effective standstill for over twelve months, critical deadlines have passed, and the firm's financial exposure (in terms of outstanding A/R and ongoing time investment) continues to grow. The client's silence is not a basis for continued inaction by the firm; to the contrary, the accumulation of risks described in this memorandum makes prompt client engagement essential.

2. We propose that Sylvia Hartwell, as Responsible Partner, initiate the client communication, given the seniority of the client interlocutors. The primary contacts for this discussion should be Priya Dasgupta (General Counsel, NTP) and Thomas Brennan (SVP, Regulatory Affairs). Depending on the scope of the strategic decisions to be made, it may also be appropriate to involve Marcus Enfield (CEO, NTP) in the discussion, particularly if the decision involves a significant write-down of costs incurred to date or a strategic pivot away from the U.S. wireless market entry.

3. We suggest preparing a concise strategic options memorandum for the client that addresses three distinct pathways and their respective implications:

(a) Reactivate the transaction and FCC application. This pathway would require resolution of the purchase price dispute (either by negotiation or by Northgate's insistence on the contracted price), reactivation of the FCC application (including filing of a status update and renewed engagement with Team Telecom), and preparation for closing within a defined timeframe. The benefits of this approach include preservation of Northgate's U.S. market entry strategy and recovery of the sunk costs incurred to date. The risks include the possibility that Ridgeline may no longer be willing to transact, the buildout compliance challenges associated with the three southern Oregon licenses, and the costs and timeline associated with completing the regulatory process.

(b) Negotiate a mutual termination and wind-down. This pathway would involve a negotiated termination of the APA by mutual agreement, with agreed-upon terms for the release of the escrow deposit and the withdrawal of the FCC application. The benefits of this approach include certainty of outcome, avoidance of litigation, and the ability to negotiate a partial or full return of the escrow deposit. The risks include the possibility that Ridgeline may insist on forfeiture of the deposit as a condition of mutual termination, and the loss of Northgate's investment in the transaction process.

(c) Pursue unilateral termination and seek return of escrow deposit. This pathway would involve Northgate issuing a formal notice of termination under the APA, asserting that Ridgeline's unjustified price adjustment demand constitutes a material breach, and demanding return of the $4,500,000 escrow deposit. If Ridgeline disputes the return of the deposit, this pathway could lead to litigation or arbitration. The benefits of this approach include the possibility of recovering the deposit and establishing a clear legal position. The risks include the costs and uncertainties of litigation, the possibility that a court or arbitrator could find that Northgate — rather than Ridgeline — is the party at fault, and the reputational considerations associated with adversarial proceedings.

4. We recommend that the outstanding A/R of $112,600 be raised in the context of the strategic discussion with the client. The unpaid invoices should be addressed directly but diplomatically, and the firm should clarify whether the non-payment reflects a deliberate decision to deprioritize this engagement or is the result of administrative oversight. The firm should also consider whether to continue accruing time on this matter absent client confirmation of continued engagement and willingness to pay for ongoing services.

5. We recommend coordination with Harold Wren (Calderwood & Harkness, Washington, DC) and Annette Galvez (Broadfield Whitaker LLP) on the FCC dismissal risk. Harold and Annette should be briefed on the current status and asked to prepare contingency filings — including a status update letter and a draft motion to hold the application in abeyance — that can be submitted on short notice if the client authorizes preservation of the FCC application.

6. We recommend coordination with Whitfield & Grainger LLP (Nigel Pemberton) on any tax implications of a transaction unwind, including the treatment of costs incurred to date by Northgate and NWA for U.S. and UK tax purposes, the deductibility of the escrow deposit (if forfeited), and any transfer pricing or intercompany accounting issues arising from the NTP-NUS Holdings-NWA corporate structure. Tax considerations may be material to the client's decision on strategic direction and should be addressed proactively.

X. Document Attachments / Cross-References

The following internal memoranda, correspondence, and transaction documents are referenced in this memorandum and should be reviewed in connection with any client outreach or further action on this matter:

1. Memorandum re: Foreign Ownership Analysis Under Section 310(b)(4) of the Communications Act (Harold Wren and Annette Galvez, October 10, 2022) — Analysis of the foreign ownership structure of NWA and the legal basis for the Section 310(b)(4) petition for declaratory ruling.

2. Memorandum re: Anti-Trafficking / Unjust Enrichment Analysis Under 47 C.F.R. § 1.2111 (Harold Wren and Daniel Fong, draft, incomplete) — Partial analysis of the applicability of anti-trafficking rules to the spectrum licenses originally acquired by Ridgeline at FCC auction.

3. Memorandum re: FCC Buildout Compliance Risk Assessment (3 Oregon Licenses — WQAB212, WQAB213, WQAB214) (Harold Wren and Daniel Fong, November 2022) — Assessment of the interim and final construction benchmark obligations applicable to the three southern Oregon licenses and the compliance risks associated with the proposed transfer.

4. Memorandum re: Analysis of Ridgeline Price Adjustment Demand Under APA Section 3.1 (Simone Laroche, December 17, 2022) — Legal analysis of Ridgeline's demand for a $14.2 million upward price adjustment and the grounds for rejection under the fixed-price provisions of the APA.

5. Letter to Hargrove, Sato & Caldwell LLP — Rejection of Price Adjustment Demand (Simone Laroche to Kevin Sato, December 19, 2022) — Formal letter rejecting Ridgeline's price adjustment demand on behalf of Northgate.

6. Extension Agreement (executed April 22, 2023) — Agreement between NWA, Ridgeline, and NTP extending the Long-Stop Date from March 15, 2023 to September 30, 2023, without prejudice to either party's position.

7. Escrow Agreement (executed September 30, 2022) — Agreement among NWA, Ridgeline, and Meridian National Bank, N.A. governing the deposit and release of the $4,500,000 earnest money deposit.