Archimedes Tech SPAC Partners II Co. Announces Effectiveness of Registration Statement and Date for Extraordinary General Meeting to Approve Proposed Business Combination with Forge Nano, Inc.

Shareholders of Record as of September 1, 2026 are Eligible to Vote at EGM

CLAYMONT, Del., Sept. 24, 2026 (GLOBE NEWSWIRE) -- Archimedes Tech SPAC Partners II Co. (Nasdaq: ATII) (“Archimedes II” or “ATII”), a publicly traded special purpose acquisition company, today announced that its registration statement on Form S-4 (the “Registration Statement”) in connection with its previously announced proposed business combination with Forge Nano, Inc. (“Forge Nano”), a technology company pioneering domestic battery and semiconductor innovations, was declared effective by the U.S. Securities and Exchange Commission (“SEC”) on September 22, 2026. The Registration Statement provides important information about Archimedes II, Forge Nano, the combined company and the business combination.