Friday, June 12, 2026

Equity Corporate Actions Alert #2026 - 407
(UPDATED: Closed) Information Regarding the Business Combination of Horizon Space Acquisition II Corp. (HSPT/R/U) & SL Science Holding Limited

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  • Industry Announcement

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The business combination of Horizon Space Acquisition II Corp. (HSPT/R/U) & SL Science Holding Limited closed today, June 12, 2026. As a result of the business combination, the Ordinary Shares, Right, and Unit of Horizon Space Acquisition II Corp. (HSPT/R/U) will be suspended from trading. The suspension details are as follows:

Company Name/Issue: Horizon Space Acquisition II Corp. Ordinary Shares
CUSIP#: G4627B103
Symbol: HSPT
Last Trading Date: June 12, 2026
Marketplace Effective Date for Suspension: June 15, 2026
Merger Consideration: One (1) SL Science Holding Limited Ordinary Share (SLBT) for each share held.

Company Name/Issue: Horizon Space Acquisition II Corp. Right
CUSIP#: G4627B111
Symbol: HSPTR
Last Trading Date: June 12, 2026
Marketplace Effective Date for Suspension: June 15, 2026
Merger Consideration: One (1) SL Science Holding Limited Ordinary Share (SLBT) for every ten (10) Rights held.

Company Name/Issue: Horizon Space Acquisition II Corp. Units
CUSIP#: G4627B129
Symbol: HSPTU
Last Trading Date: June 12, 2026
Marketplace Effective Date for Suspension: June 15, 2026
Merger Consideration: Unit will separate into its components.

As a result of the merger the combined company will be listed on the NASDAQ Global Market. The details are as follows:

Company Name/Issue: SL Science Holding Limited Ordinary Shares
CUSIP#: G8191L116
Symbol: SLBT
Marketplace Effective Date: June 15, 2026

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



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