Notice Regarding Completion of the Launch of the Company's 12th Small SAR Satellite in the StriX Series | Synspective Inc. (290A) timely disclosure

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Completion of the launch of the company's 12th small SAR satellite, from the StriX series

Subject Entity

Synspective, Inc. (filing company)

Target Locations / Products

The company's 12th small SAR satellite, from the StriX series; Rocket Lab's launch site on the Mahia Peninsula in New Zealand

Occurrence19 September 2026 (12:22 p.m. Japan time, launch date)

Same day

Awareness or receipt of notice19 September 2026 (Japan time, the date on which the company confirmed the normal functioning of the antenna deployment and test communications, and that the satellite could be controlled)

This disclosure09/24/2026

Accounting period in which recognized

Full fiscal year ending December 2026 (already reflected in the earnings forecast)

Impact on Earnings Forecast

This matter has already been reflected in the full-year earnings forecast for the fiscal year ending December 2026 disclosed on 13 February 2026

Outlook

The Company plans to conduct functional verification, including observation and data acquisition, over the course of several months initially.

Planned follow-up disclosure

The Company will promptly disclose any matters requiring disclosure that arise in the future.

Event that occurred
Item	Details
Event name	Completion of the launch of the company's 12th small SAR satellite, from the StriX series
Date of occurrence	19 September 2026 (12:22 p.m. Japan time, launch date)
Date recognized / date notice received	19 September 2026 (Japan time, the date on which the company confirmed the normal functioning of the antenna deployment and test communications, and that the satellite could be controlled)
Subject Entity	Synspective, Inc. (filing company)
Target Locations / Products	The company's 12th small SAR satellite, from the StriX series; Rocket Lab's launch site on the Mahia Peninsula in New Zealand
Accounting period in which recognized	Full fiscal year ending December 2026 (already reflected in the earnings forecast)
Impact on Earnings Forecast	This matter has already been reflected in the full-year earnings forecast for the fiscal year ending December 2026 disclosed on 13 February 2026
Outlook	The Company plans to conduct functional verification, including observation and data acquisition, over the course of several months initially.
Planned follow-up disclosure	The Company will promptly disclose any matters requiring disclosure that arise in the future.

Items this document does not state (16)

CauseAmount of Impact on Business PerformanceType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

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