Wednesday, October 21, 2026

Equity Corporate Actions Alert #2026 - 749
(UPDATED: Merger Closed) Information Regarding the Business Combination of Archimedes Tech SPAC Partners II Co. (ATII/W/U) and Forge Nano Holdings, Inc.

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  • Industry Announcement

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The business combination of Archimedes Tech SPAC Partners II Co. (ATII/W/U) and Forge Nano Holdings, Inc. closed today, Wednesday, October 21, 2026. As a result of the business combination, the ordinary share, warrant, and unit of Archimedes Tech SPAC Partners II Co. (ATII/W/U) will be suspended from trading. The suspension details are as follows:

Company Name/Issue: Archimedes Tech SPAC Partners II Co. Ordinary Shares
CUSIP#: G04537109
Symbol: ATII
Last Trading Date: October 21, 2026
Marketplace Effective Date for Suspension: October 22, 2026
Merger Consideration: One (1) Forge Nano Holdings, Inc. Common Stock for each share held.
Company Name/Issue: Archimedes Tech SPAC Partners II Co. Warrant
CUSIP#: G04537125
Symbol: ATIIW
Last Trading Date: October 21, 2026
Marketplace Effective Date for Suspension: October 22, 2026
Merger Consideration: One (1) Forge Nano Holdings, Inc. Warrant for each share held.
Company Name/Issue: Archimedes Tech SPAC Partners II Co. Unit
CUSIP#: G04537117
Symbol: ATIIU
Last Trading Date: October 21, 2026
Marketplace Effective Date for Suspension: October 22, 2026
Merger Consideration: Unit will separate into its components.

As a result of the merger the combined company will list the common stock (NANO) on the Nasdaq Global Market and the warrants (NANOW) on the Nasdaq Capital Market. The details are as follows:

Company Name/Issue: Forge Nano Holdings, Inc. Common Stock
CUSIP#: 345920102
Symbol: NANO
Marketplace Effective Date: October 22, 2026

Company Name/Issue: Forge Nano Holdings, Inc. Warrant expiring 10/22/2031
CUSIP#: 345920110
Symbol: NANOW
Marketplace Effective Date: October 22, 2026

If you would like to register as a market maker in NANO or NANOW contact Nasdaq Trading Services at +1 212 231 5100.



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