Gross proceeds of approximately $133.8 million expected to be available to the combined company at the closing

Shareholder meeting to vote on proposals in connection with the business combination scheduled for 10:00 a.m. ET on April 30, 2026

NORTHBROOK, Ill. and NEW YORK, April 29, 2026 /PRNewswire/ -- Willow Lane Acquisition Corp. ("Willow Lane") (Nasdaq: WLAC), a special purpose acquisition company led by B. Luke Weil, today announced that the Willow Lane has, as of the redemption deadline of 5:00 p.m. eastern time on April 28, 2026, received no redemption requests in connection with the anticipated consummation (the "Closing") of the proposed business combination (the "Business Combination") between Willow Lane and Boost Run Holdings, LLC ("Boost Run") pursuant to the Business Combination Agreement between Willow Lane, Boost Run and Boost Run Inc. ("Pubco"), among other parties, entered into as of September 15, 2025 (as amended, the "Business Combination Agreement"). Based on the strong support from Willow Lane shareholders, Willow Lane expects to deliver 100% of the cash and cash equivalents held in the Willow Lane trust account, which was $133.8 million as of March 12, 2026, to the combined company at the Closing.

"We are pleased that no redemptions have been submitted, which should result in the full Willow Lane trust account being delivered to Boost Run at closing," said Luke Weil, Chief Executive Officer and Charman of Willow Lane. "We are excited to continue working with the Boost Run team toward closing and beyond, as they build on their momentum."

Extraordinary General Meeting to Approve Business Combination

Willow Lane will hold an extraordinary general meeting of its shareholders at 10:00 a.m. ET on April 30, 2026, for Willow Lane shareholders of record as of March 12, 2026, to approve proposals presented to the shareholders at the extraordinary general meeting related to the Business Combination with Boost Run. A definitive proxy statement containing the proposals to be presented at the extraordinary general meeting has been filed with the SEC (the "Proxy Statement"); copies of the Proxy Statement have been mailed to Willow Lane shareholders of record as of the record date.

Information about how to attend the extraordinary general meeting and vote is set forth in the Proxy Statement. The Business Combination Agreement contains certain closing conditions customary for transactions similar to the Business Combination, including receipt of shareholder and regulatory approval. The Business Combination is expected to close shortly after the extraordinary general meeting once all closing conditions have been satisfied or waived.

YOUR VOTE IS IMPORTANT. Willow Lane shareholders are urged to read carefully the Proxy Statement, including, among other things, the reasons for the unanimous recommendation by Willow Lane's board of directors that shareholders of record as of the record date vote "FOR" ALL PROPOSALS included in the Proxy Statement in advance of the extraordinary general meeting.

The extraordinary general meeting of Willow Lane shareholders will be held at the offices of Ellenoff Grossman & Schole LLP at 1345 Avenue of the Americas, 11th Floor, New York, NY 10105 and virtually over the Internet by means of a live audio webcast at https://www.cstproxy.com/willowspac/2026. Shareholders or their proxyholder will be able to attend and vote at the extraordinary general meeting by visiting https://www.cstproxy.com/willowspac/2026 and using a control number assigned by Continental Stock Transfer & Trust Company.

If you have questions about the proposals or if you need additional copies of the Proxy Statement or a proxy card, you should contact Willow Lane's proxy solicitor at: Sodali & Co., 430 Park Ave, 14th Floor, New York, NY 10022, Tel: (800) 662-9400 or (203) 658-9400 (banks and brokers can call collect), Email: WLAC@info.sodali.com

Willow Lane shareholders whose shares are held of record by a broker, bank, or other nominee should contact their broker, bank, or nominee to ensure that their shares are voted. To obtain timely delivery of copies of proxy materials, Willow Lane shareholders must have requested the materials no later than April 23, 2026.

Your vote FOR ALL proposals is important, no matter how many or how few shares you own.

About Boost Run

Boost Run is a leading provider of scalable cloud infrastructure purpose-built for enterprise AI and high-performance computing workloads. The platform delivers GPU compute, CPU nodes, managed Kubernetes orchestration, and shared storage through an intuitive management console and a robust API layer, enabling organizations to provision and scale resources across thousands of nodes in minutes. Organizations rely on Boost Run to power their most demanding AI workloads with the performance, security, and reliability their operations require. Boost Run maintains SOC 2 Type II, HIPAA, ISO 27001, and ISO 27701 certifications at the operator level, and partners with data center facilities that uphold equivalent security and compliance standards.

About Willow Lane

Willow Lane is a blank check company formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses. Willow Lane's team has broad sector knowledge and brings a combination of operating, investing, financial and transactional experience. Willow Lane team has collectively identified and closed five previous SPAC business combinations, creating value for shareholders.

Additional Information and Where to Find It

Willow Lane, Boost Run and Pubco have filed relevant materials with the SEC, including the Registration Statement on Form S-4, which includes the Proxy Statement of Willow Lane and a prospectus in connection with Business Combination, referred to as a proxy statement/prospectus. The definitive Proxy Statement and other relevant documents have been mailed to shareholders of Willow Lane as of a record date established for voting on Willow Lane's proposed Business Combination with Boost Run. SHAREHOLDERS OF WILLOW LANE AND OTHER INTERESTED PARTIES ARE URGED TO READ THE REGISTRATION STATEMENT, THE DEFINITIVE PROXY STATEMENT AND ALL OTHER RELEVANT DOCUMENTS FILED OR THAT WILL BE FILED WITH THE SEC IN CONNECTION WITH WILLOW LANE'S SOLICITATION OF PROXIES FOR THE EXTRAORDINARY GENERAL MEETING OF ITS SHAREHOLDERS TO BE HELD TO APPROVE THE BUSINESS COMBINATION BECAUSE THESE DOCUMENTS CONTAINS OR WILL CONTAIN IMPORTANT INFORMATION ABOUT WILLOW LANE, BOOST RUN, PUBCO AND THE BUSINESS COMBINATION. Shareholders can obtain copies of the Registration Statement and the proxy statement/prospectus, without charge, on the SEC's website at www.sec.gov or by directing a request to: Willow Lane Acquisition Corp, 250 West 57th Street, Suite 415, New York, NY 10107; or Boost Run, LLC, 5 Revere Drive, Suite 200 Northbrook, IL 60062.

Forward-Looking Statements

This press release contains certain forward-looking statements within the meaning of the federal securities laws with respect to the Business Combination, including expectations, hopes, beliefs, intentions, plans, prospects, financial results or strategies regarding Boost Run and the Business Combination. Forward-looking statements may be identified by the use of words such as "estimate," "plan," "project," "forecast," "intend," "may," "will," "expect," "continue," "should," "would," "anticipate," "believe," "seek," "target," "predict," "potential," "seem, " "future," "outlook" or other similar expressions that predict or indicate future events or trends or that are not statements of historical matters, but the absence of these words does not mean that a statement is not forward-looking. These forward-looking statements include, but are not limited to, references with respect to the anticipated benefits and timing of the completion of the Business Combination; statements about Boost Run's new and expanded commercial relationships; statements about Boost Run's market opportunity and the potential growth of that market; Boost Run's strategy, outcomes and growth prospects; trends in Boost Run's industry and markets; the competitive environment in which Boost Run operates; and the ability for Boost Run to raise funds to support its business. These statements are based on various assumptions, whether or not identified in this press release, and on the current expectations of Boost Run's and Willow Lane's management and are not predictions of actual performance. These forward-looking statements are provided for illustrative purposes only and are not intended to serve as, and must not be relied on by any investor as, a guarantee, an assurance, a prediction or a definitive statement of fact or probability. Actual events and circumstances are difficult or impossible to predict and will differ from assumptions. Many actual events and circumstances are beyond the control of Boost Run and Willow Lane.

These forward-looking statements (including projections) are predictions, and other statements about future events or conditions that are based on current expectations, estimates and assumptions and, as a result, are subject to risks and uncertainties, including the occurrence of any event, change or other circumstances that could give rise to the termination of the Business Combination Agreement; the risk that the Business Combination disrupts Boost Run's current plans and operations as a result of the announcement and consummation of the Business Combination; the inability of the parties to recognize the anticipated benefits of the Business Combination; the ability to maintain the listing of Willow Lane's securities on a national securities exchange; the ability to obtain or maintain the listing of the Pubco's securities on Nasdaq following the Business Combination, including having the requisite number of shareholders; costs related to the Business Combination; changes in business, market, financial, political and legal

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