Company: RAIN
Filing Date: 2025-02-12
Form Type: 424B3
Source: 0001213900-25-012904
Chunk: 13

Company: Rain Enhancement Technologies Holdco, Inc.
Filing Date: 2025-02-12
Form: 424B3
Chunk 13
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 of the Business Combination.

“Merger Sub 1” means Rainwater Merger
Sub 1, Inc., a Cayman Islands exempted company and prior to the business combination a wholly-owned subsidiary of Holdco.

“Merger Sub 2” means Rainwater Merger
Sub 2A, Inc., a Massachusetts corporation and prior to the business combination a wholly-owned subsidiary of Coliseum.

“New Contribution” means the contributions
to the Trust Account, made as a loan, of $50,000 per month for up to three months in connection with the election by the Board to extend
the Combination Period to up to December 25, 2024, pursuant to the Third Extension.

“New Sponsor” means Berto LLC, a Delaware
limited liability company.

“Options” means
options to purchase shares of Class A Common Stock, issued as part of the Company Merger upon the conversion of RET’s outstanding
options pursuant to the Business Combination Agreement.

“Preferred Stock”
means, prior to the Business Combination, the preferred stock of RET, par value $0.0001 per share.

“Previous Sponsor”
means Coliseum Acquisition Sponsor LLC.

“Public Shares”
means the Coliseum Class A Ordinary Shares which were initially issued as part of the units sold in Coliseum’s initial public
offering.

“RET” means Rain Enhancement Technologies, Inc., a Massachusetts
corporation and wholly-owned subsidiary of Holdco following the Business Combination.

“RET Class A Common
Stock” means, prior to the Business Combination, the Class A common stock of RET, par value $0.0001 per share.

“RET Class B Common
Stock” means, prior to the Business Combination, the Class B common stock of RET, par value $0.0001 per share.

“RET Founders”
means Paul Dacier, Harry You, Niccolo de Masi, or their affiliates.

“Securities Act”
means the Securities Act of 1933, as amended.

“SPAC Merger”
means the merger of Coliseum with and into Merger Sub 1, with Merger Sub 1 as the surviving company of such merger. The SPAC Merger occurred
on December 31, 2024.

“Sponsor Affiliate” means Harry L. You, an affiliate of
the New Sponsor.

“Trust Account”
means the trust account established in connection with Coliseum’s initial public offering.

“Warrants” means
each warrant to purchase shares of Class A Common Stock at an