Rocket Lab Corporation Announces Dollar-for-Dollar Replacement At-The-Market Equity Program

– New equity distribution agreement replaces the Company’s prior equity distribution agreement and provides for an aggregate offering amount equal to the remaining unsold amount; No increase in aggregate amount offered

– Company intends to use any net proceeds to fund a portion of the cash payments for the Iridium acquisition and reduce debt commitments

LONG BEACH, Calif., Aug. 13, 2026 (GLOBE NEWSWIRE) — Rocket Lab Corporation (Nasdaq: RKLB) (“Rocket Lab” or the “Company”), a global leader in launch services and space systems, today announced that it has entered into a replacement equity distribution agreement with Deutsche Bank Securities Inc. and Wells Fargo Securities, LLC (the “equity distribution agreement”) under which it may offer and sell shares of its common stock (the “Shares”) having an aggregate offering price of up to $1,944,369,826 from time to time pursuant to an “at the market” program (the “ATM Program”). The equity distribution agreement replaces the Company’s prior equity distribution agreement dated May 20, 2026 (the “prior sales agreement”) carrying forward the unsold offering amount under that agreement. The Company has terminated its prior sales agreement. No additional Shares beyond the unsold offering amount is being offered under the ATM Program.

Rocket Lab currently intends to use all or a portion of the net proceeds from the sale of Shares under the ATM Program to fund cash payments under its previously announced proposed acquisition of Iridium Communications Inc. (the “Iridium Acquisition”) and reduce the commitments under its committed senior secured debt bridge facility. The Company also separately announced today additional updates on the Iridium Acquisition, including the expiration of the HSR waiting period, the initial filing of its Registration Statement on Form S-4 related to the transaction (which registration statement has not yet become effective), the filing of its FCC applications, and updates on its capital strategy for the Iridium Acquisition.

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The offering of Shares under the ATM Program is not conditioned upon the completion of the Iridium Acquisition. If the Company does not consummate the Iridium Acquisition or if it has excess proceeds from the offering of Shares under the ATM Program, the Company intends to use the net proceeds to fund future growth, including potential future acquisitions, and for general corporate and working capital purposes.

Any sales of Shares under the ATM Program will be through Deutsche Bank Securities Inc. and Wells Fargo Securities, LLC, as sales agents and/or principals, in “at the market” offerings, including on Nasdaq or otherwise, at market prices prevailing at the time of sale, at prices related to prevailing market prices or at negotiated prices. The equity distribution agreement also provides for certain forward sale agreements.

The offer and sale of Shares under the ATM Program will be made pursuant to the Company’s automatic shelf registration statement on Form S-3ASR (File No.