Vietsovpetro Joint Venture published Invitation to bid on Vietnam Public Procurement Review issue No.51 dated 20 March 2019 with the following contents:

Procurement package: Provision of Cermenting services for wells 16-1/15-2X under Vietsovpetro’s Package DV-070/19-KB “Notice ref No.: 20190346093 - 00. Date of publication: 19/03/2019 11:19"

Project name: Vietsovpetro’s Procument plan 2019 for Block 16-1/15

Time of selling bidding documents: from 07:00 am, 25 March 2019 to 09:00 am, 25 April 2019 (during office hours)

Bid closing time: 09:00 am, 25 April 2019

Now we would like to extend:

Time of selling bidding documents: before 09:00 am, 28 May 2019 (during office hours)

Bid closing time: 09:00 am, 28 May 2019

Bid opening time: 09:05 am, 28 May 2019.

Other information remains unchanged