Vietsovpetro Joint Venture published Invitation to bid on Vietnam Public Procurement Review issue No.48 dated 15 March 2019 with the following contents:

Procurement package: Provision of Cermenting services for wells CT-102, CT-103, CT-105, CT-107, CT-108 under Vietsovpetro’s Package DV-023/19-KB “Notice ref No.: 20190331979 - 00. Date of publication: 13/03/2019 16:37"

Project name: Vietsovpetro’s Procument plan 2019 for Block 09/3-12

Time of selling bidding documents: from 07:00 am, 19 March 2019 to 09:00 am, 29 April 2019 (during office hours)

Bid closing time: 09:00 am, 29 April 2019

Now we would like to change:

Time of selling bidding documents: before 09:00 am, 29 May 2019 (during office hours)

Bid closing time: 09:00 am, 29 May 2019

Bid opening time: 09:05 am, 29 May 2019.

Other information remains unchanged.