Vietsovpetro Joint Venture published Invitation to bid on Vietnam Public Procurement Review issue No.30 dated 19 February 2021 with the following contents:

Procurement package: Updating and purchasing seismic interpretation software IHS Kingdom 2020 (bidding package No. DV-430/20-CNTT-LBM) “Notice ref No 20210224309 - 00. Date of publication: 18/02/2021 15:49"

Project name: This tender under Vietsovpetro’s procurement plan 2020 Block 12/11

Time of issuing bidding documents: from 03:49 pm, 18 February 2021 to 09:00 am, 11 March 2021 (during office hours)

Bid opening time: 09:30 am, 11 March 2021.

Now we would like to change:

Time of issuing bidding documents: before 09:00 am, 22 March 2021 (during office hours)

Bid opening time: 09:00 am, 22 March 2021

Other information remains unchanged.