NOTICE TO BIDDERS: Modification to the Activity Schedule for International Open Invitation to Tender No. 001 of 17 February 2026. Deadline for purchase of Tender File: April 30, 2026, at 3:00 PM local time. Dates and times for preparatory meetings: Tuesday, 12 May 2026, at 11:00 AM local time in Yaoundé and Friday, 15 May 2026, at 10:00 AM local time in Douala. Deadline for submission of bids (SNH Head Office, Yaoundé): Thursday, 4 June 2026, at 2:00 PM local time. Date and time for opening of bids (SNH Head Office, Yaoundé): Thursday, 4 June 2026, at 3:00 PM local time.