| Amendments No. 31 to the Annual Procurement Plant for 2018 (07 June 2018) | JSC "Ukrgasvydobuvannya" |
| Amendments No. 30 to the Annual Procurement Plant for 2018 (31 May 2018) | JSC "Ukrgasvydobuvannya" |
| Amendments No. 29 to the Annual Procurement Plant for 2018 (22 May 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 28 to the Annual Procurement Plant for 2018 (17 May 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 27 to the Annual Procurement Plant for 2018 (15 May 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 26 to the Annual Procurement Plant for 2018 (08/05/2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 25 to the Annual Procurement Plant for 2018 (03 May 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 24 to the Annual Procurement Plant for 2018 (26 April 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 23 to the Annual Procurement Plant for 2018 (19 April 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 22 to the Annual Procurement Plant for 2018 (17 April 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 21 to the Annual Procurement Plant for 2018 (10 April 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 20 to the Annual Procurement Plant for 2018 (03 April 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 19 to the Annual Procurement Plant for 2018 (29 March 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 18 to the Annual Procurement Plant for 2018 (22 March 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 17 to the Annual Procurement Plant for 2018 (20 March 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 16 to the Annual Procurement Plant for 2018 (15 March 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 15 to the Annual Procurement Plant for 2018 (13 March 2018) | PJSC "Ukrgasvydobuvannya" |
| Amendments No. 14 to the Annual Procurement Plant for 2018 (06 March 2018) | |
| Amendments No. 13 to the Annual Procurement Plant for 2018 (01 March 2018) | |
| Amendments No. 12 to the Annual Procurement Plant for 2018 (27 February 2018) | |