Contract analysis

I. INTRODUCTION AND SUMMARY OF RULING REQUEST Calderwood & Harkness LLP ("Calderwood & Harkness" or "we") respectfully submits this private letter ruling request on behalf of Solara Digital Infrastructure LP ("Solara," "SDILP," or the "Requesting Taxpayer"), a Delaware limited partnership (EIN: 82-4917366), headquartered at 1200 Market Street, Suite 3400, Wilmington, Delaware 19801, and the related fund entities desc

1. Ruling 1 (IRC § 721(a)): The contributions of portfolio assets by four existing offshore fund vehicles (collectively, the "Legacy Offshore Vehicles") to the Consolidated Master Fund LP constitute tax-free contributions under IRC § 721(a), and no gain or loss is recognized by the contributing partnerships or their partners.

2. Ruling 2 (IRC § 721(b)): The Consolidated Master Fund LP does not constitute an "investment company" within the meaning of IRC § 721(b) and Treas. Reg. § 1.351-1(c)(1)(ii).

3. Ruling 3 (IRC § 367): IRC § 367 does not apply to the partnership-to-partnership contributions described in the Reorganization.

4. Ruling 4 (IRC §§ 731(a) and 731(c)): The distributions by the Legacy Offshore Vehicles of their partnership interests in the Consolidated Master Fund LP to their respective limited partners upon dissolution constitute tax-free distributions under IRC § 731(a), and IRC § 731(c) does not apply because the distributed interests are not "marketable securities."

5. Ruling 5 (IRC § 752): The shifts in partner-level shares of liabilities resulting from the Reorganization do not trigger gain-recognition events under IRC §§ 752(a), 752(b), and 731.

6. Ruling 6 (IRC § 704(c)): The built-in gain and loss accounts tracked under IRC § 704(c) by the Legacy Offshore Vehicles carry over to the Consolidated Master Fund LP, which may continue to use the remedial allocation method under Treas. Reg. § 1.704-3(d).

7. Ruling 7 (IRC § 1446): No withholding under IRC § 1446(a) is required on the contributions or distributions described in the Reorganization.

8. Ruling 8 (Treas. Reg. § 301.7701-3): The Consolidated Master Fund LP, Solara International Feeder (Cayman) LP, and Solara Tax-Exempt Feeder (Cayman) LP are each properly classified as partnerships for U.S. federal income tax purposes. Authorized Representatives. As reflected in the enclosed Forms 2848 (Power of Attorney and Declaration of Representative), Solara has designated the following individuals as its auth

II. IDENTIFICATION OF TAXPAYERS AND ENTITIES A. Requesting Taxpayer The Requesting Taxpayer is Solara Digital Infrastructure LP ("Solara" or "SDILP"), a Delaware limited partnership formed on March 17, 2014, under the Delaware Revised Uniform Limited Partnership Act, 6 Del. C. §§ 17-101 et seq. Solara's Employer Identification Number is 82-4917366. Its principal office and headquarters are located at 1200 Market Stre

1. Solara Digital Partners Fund IV LP ("Fund IV") Fund IV is a Delaware limited partnership with EIN 85-2103748. Fund IV held its final close on June 15, 2021, with aggregate investor commitments of $4.2 billion (vintage 2021). As of March 31, 2025, Fund IV was approximately 72% deployed. The general partner of Fund IV is Solara Digital Infrastructure GP LLC. Fund IV's investor base consists primarily of U.S. taxable

2. Solara Digital Partners Fund IV-A (Cayman) LP ("Fund IV-A Cayman") Fund IV-A Cayman is a Cayman Islands exempted limited partnership with U.S. EIN 98-6241503. Its registered office is located at Harborstone Corporate Services Ltd., P.O. Box 2714, 94 Solaris Avenue, George Town, Grand Cayman KY1-1111, Cayman Islands. Fund IV-A Cayman serves as the Cayman Islands parallel fund for Fund IV, with aggregate investor co

3. Solara Digital Partners Fund IV-B (Luxembourg) SCSp ("Fund IV-B Lux") Fund IV-B Lux is a Luxembourg special limited partnership (société en commandite spéciale, or "SCSp") with U.S. EIN 98-6241571. Its registered office is located at 14, rue Jean-Pierre Brasseur, L-1258 Luxembourg. Fund IV-B Lux is registered with the Luxembourg Trade and Companies Register (Registre de Commerce et des Sociétés, or "RCS") under nu

4. Solara Digital Partners Fund V LP ("Fund V") Fund V is a Delaware limited partnership with EIN 88-3467219. Fund V held its final close on September 30, 2023, with aggregate investor commitments of $5.6 billion (vintage 2023). As of March 31, 2025, Fund V was approximately 38% deployed. The general partner of Fund V is Solara Digital Infrastructure GP LLC. Fund V's investor base consists primarily of U.S. taxable i

5. Solara Digital Partners Fund V-A (Cayman) LP ("Fund V-A Cayman") Fund V-A Cayman is a Cayman Islands exempted limited partnership with U.S. EIN 98-7891234. Its registered office is located at Harborstone Corporate Services Ltd., George Town, Grand Cayman, Cayman Islands. Fund V-A Cayman serves as the Cayman Islands parallel fund for Fund V, with aggregate investor commitments of $2.45 billion. Its general partner

6. Solara Digital Partners Fund V-B (Luxembourg) SCSp ("Fund V-B Lux") Fund V-B Lux is a Luxembourg SCSp with U.S. EIN 98-7891267. Its registered office is located at 14, rue Jean-Pierre Brasseur, L-1258 Luxembourg, and it is registered with the Luxembourg RCS under number B 271056. Fund V-B Lux serves as the Luxembourg parallel fund for Fund V, with aggregate investor commitments of €1.38 billion (approximately $1.4

1. Solara Consolidated Master Fund GP LLC ("Master Fund GP") Master Fund GP will be formed as a Delaware limited liability company. Its sole purpose will be to serve as the general partner of the Consolidated Master Fund LP. Its registered agent will be Capitol Registered Agents Inc., 850 New Burton Road, Suite 201, Dover, Delaware 19904. Master Fund GP will be managed by Solara Digital Infrastructure GP LLC or its d

2. Solara Consolidated Master Fund LP ("Master Fund" or "Consolidated Master Fund") The Consolidated Master Fund LP will be formed as a Delaware limited partnership under the Delaware Revised Uniform Limited Partnership Act. Its purpose is to serve as the master fund vehicle consolidating the portfolio assets currently held by the four Legacy Offshore Vehicles — Fund IV-A Cayman, Fund IV-B Lux, Fund V-A Cayman, and F

3. Solara International Feeder (Cayman) LP ("International Feeder") The International Feeder will be formed as a Cayman Islands exempted limited partnership. Its purpose is to serve as the feeder vehicle for non-U.S. investors investing into the Consolidated Master Fund LP following the dissolution of the Legacy Offshore Vehicles. The International Feeder will file a Form 8832 electing classification as a partnership

4. Solara Tax-Exempt Feeder (Cayman) LP ("Tax-Exempt Feeder") The Tax-Exempt Feeder will be formed as a Cayman Islands exempted limited partnership. Its purpose is to serve as the feeder vehicle for U.S. tax-exempt investors (including pension funds and endowments) investing into the Consolidated Master Fund LP, structured to mitigate concerns regarding unrelated business taxable income ("UBTI") under IRC §§ 511–514.

1. Pinnacle State Employees' Retirement System — A U.S. public pension fund organized under the laws of the State of Pinnacle. Chief Investment Officer: Margaret Faulkner. Commitments: $275 million to Fund IV (through Fund IV-A Cayman) and $340 million to Fund V (through Fund V-A Cayman). Pinnacle is a tax-exempt entity under IRC § 115.

2. Grandview University Endowment — A U.S. tax-exempt endowment associated with Grandview University, a private university organized under the laws of the Commonwealth of Massachusetts. Director of Investments: Harold Kingsley. Commitments: $120 million to Fund IV (through Fund IV-A Cayman) and $185 million to Fund V (through Fund V-A Cayman). Grandview is exempt from federal income tax under IRC § 501(c)(3) and is s

3. Nordhaven Sovereign Wealth Fund — A non-U.S. sovereign wealth fund established by the Kingdom of Nordhaven, a sovereign nation located in Northern Europe. Head of Alternative Investments: Anders Bjørkman. Commitments: $380 million to Fund IV-A Cayman and $500 million to Fund V-A Cayman. Nordhaven SWF is not subject to U.S. federal income tax under IRC § 892 with respect to certain categories of income, but may be

4. Kestrel Pacific Insurance Group — A non-U.S. insurance company organized under the laws of Singapore. Senior Portfolio Manager: Christine Leung. Commitments: €200 million to Fund IV-B Lux and €275 million to Fund V-B Lux. Kestrel Pacific is subject to U.S. federal income tax on effectively connected income allocable through the fund vehicles.

5. Argyle Family Office Holdings LLC — A U.S. taxable family office organized as a Delaware limited liability company. Principal: Elliot Argyle. Commitments: $95 million to Fund IV and $130 million to Fund V. Argyle invests directly through the Delaware main funds (Fund IV LP and Fund V LP) as a U.S. taxable investor. F. Key Advisors and Service Providers The following advisors and service providers are engaged in co

III. STATEMENT OF FACTS A. Background and Business of Solara Solara Digital Infrastructure LP was founded on March 17, 2014, as a Delaware limited partnership by Viktor Raines, who previously served as a Managing Director at Havensgate Capital Partners, a global private equity firm. Since its formation, Solara has built a diversified portfolio of digital infrastructure assets and enterprise SaaS platforms, growing it

1. NovaBright Data Systems Inc. NovaBright Data Systems Inc. ("NovaBright") is a Delaware corporation that operates as a data center owner and operator. NovaBright owns and operates seven carrier-neutral colocation data centers located across the eastern United States, providing colocation, interconnection, and managed hosting services to enterprise customers. NovaBright employs approximately 1,200 full-time employee

2. Crestline Cloud Solutions LLC Crestline Cloud Solutions LLC ("Crestline") is a Delaware limited liability company that is treated as a disregarded entity for U.S. federal income tax purposes, owned by Fund IV-B Lux SCSp. Crestline operates a cloud-based enterprise SaaS platform providing workflow automation and data analytics solutions to mid-market enterprises across Europe and North America. Crestline employs ap

3. Veridian Edge Computing Corp. Veridian Edge Computing Corp. ("Veridian") is a Delaware corporation that designs, builds, and operates edge computing infrastructure, including micro data centers and content delivery nodes located at the network edge to support latency-sensitive applications for enterprise and telecommunications customers. Veridian employs approximately 950 full-time employees and generated revenue

4. Thorngate Fiber Networks LP Thorngate Fiber Networks LP ("Thorngate") is a Delaware limited partnership that owns and operates a fiber-optic network spanning approximately 28,000 route-miles across the southeastern United States, providing dark fiber, lit services, and enterprise connectivity to telecommunications carriers, internet service providers, and large enterprise customers. Thorngate employs approximately

5. Helix SaaS Holdings Ltd. Helix SaaS Holdings Ltd. ("Helix") is a Cayman Islands exempted company that serves as a holding company for a portfolio of enterprise SaaS businesses. Helix's operating subsidiaries, located in the United States, the United Kingdom, and Germany, provide cloud-based enterprise resource planning ("ERP") and customer relationship management ("CRM") solutions. Helix's consolidated operations

6. Remaining Portfolio Companies In addition to the five representative portfolio companies described above, the Solara fund vehicles hold interests in 18 additional portfolio companies — 6 additional companies held through Fund IV vehicles and 7 additional companies held through the Fund V offshore vehicles, with the remainder held through the domestic Fund IV LP and Fund V LP. Each of these additional portfolio com

I. Subscription Credit Facility Liabilities and Other Indebtedness The $1.34 billion in aggregate liabilities to be assumed by the Consolidated Master Fund LP consists of portfolio-level indebtedness currently held across the four Legacy Offshore Vehicles. This indebtedness includes (i) portfolio company credit facility borrowings, (ii) project finance debt associated with data center development and fiber-optic netw

IV. SPECIFIC RULINGS REQUESTED Solara respectfully requests that the Internal Revenue Service issue a favorable private letter ruling with respect to each of the following eight matters: Ruling 1 — IRC § 721(a): Tax-Free Contributions. The contributions of portfolio assets by Fund IV-A (Cayman) LP, Fund IV-B (Luxembourg) SCSp, Fund V-A (Cayman) LP, and Fund V-B (Luxembourg) SCSp (collectively, the "Legacy Offshore Ve

V. LEGAL ANALYSIS A. Ruling 1 — IRC § 721(a) Contribution Analysis

1. Statutory Framework IRC § 721(a) provides, in relevant part: "No gain or loss shall be recognized to a partnership or to any of its partners in the case of a contribution of property to the partnership in exchange for an interest in the partnership."

Section 721(a) is a mandatory nonrecognition provision that applies to any contribution of property to a partnership in exchange for a partnership interest, regardless of whether the contributing partner is a U.S. person or a foreign person, and regardless of whether the partnership is a domestic partnership or a foreign partnership. The provision reflects the fundamental policy that the formation of a partnership, o

2. Application to Step 2 (Fund IV-A Cayman Contribution) In Step 2, Fund IV-A (Cayman) LP will contribute all of its portfolio assets — including its interests in NovaBright Data Systems Inc. (60% interest, FMV $534 million, basis $312 million), Thorngate Fiber Networks LP (100% interest, FMV $670 million, basis $490 million), and additional portfolio company interests as detailed in Exhibit D — to the Consolidated M

3. Application to Step 3 (Fund IV-B Lux Contribution) In Step 3, Fund IV-B (Luxembourg) SCSp will contribute all of its portfolio assets — including its 100% interest in Crestline Cloud Solutions LLC (FMV €340 million / $367 million, basis €195 million / $211 million) and additional portfolio company interests — to the Consolidated Master Fund LP in exchange for a limited partnership interest. The aggregate FMV of th

4. Application to Step 4 (Fund V Offshore Contributions) In Step 4, both Fund V-A (Cayman) LP and Fund V-B (Luxembourg) SCSp will contribute their respective portfolio assets to the Consolidated Master Fund LP in exchange for limited partnership interests. The aggregate financial characteristics of the Step 4 contributions are as follows: • Fund V-A Cayman: FMV $2.89 billion; adjusted tax basis $2.34 billion; built-i

5. No Exceptions Apply Several potential exceptions to the nonrecognition rule of § 721(a) are inapplicable to the contributions described in Steps 2–4: (a) Section 721(b) — Investment Company Exception. IRC § 721(b) provides that § 721(a) does not apply to gain realized on a transfer of property to a partnership that would be treated as an "investment company" within the meaning of § 351(e) if the partnership were i

6. Precedent. The application of IRC § 721(a) to multi-vehicle fund reorganizations involving partnership-to-partnership contributions of portfolio company interests is well established. Although private letter rulings are not precedential authority under IRC § 6110(k)(3), we note that the IRS has issued favorable rulings in numerous analogous situations involving the consolidation of parallel fund structures through

1. Statutory Framework IRC § 721(b) provides: "Subsection (a) shall not apply to gain realized on a transfer of property to a partnership which would be treated as an investment company (within the meaning of section 351) if the partnership were incorporated." IRC § 351(e)(1) provides that § 351 does not apply to a transfer of property to an investment company. For these purposes, Treas. Reg. § 1.351-1(c)(1) provides

2. Nature of Portfolio Assets The portfolio of the Consolidated Master Fund LP will consist exclusively of equity interests in operating companies engaged in the digital infrastructure and enterprise SaaS sectors. As described in Section III.C, each of the 23 portfolio companies held by the Solara fund vehicles is an active