| 3/13/2018 | 290110001011 | IZOBUTAN (PURE) (ISOBUTANE) (IT WILL BE USED FOR POWER SUPPLY)
| 19300 | Kilogram | 20530.28 | N/A | AKKIM YAPI KIMYASALLARI SANAYI VE TICARET A.S. |
| 3/11/2018 | 290110001011 | ISOBUTANE (USED AS PROMOTIONAL GAS FOR POWER SUPPLY)
| 19000 | Kilogram | 22604.62 | N/A | SEL DIS TICARET VE KIMYA SAN.A.S. |
| 3/4/2018 | 290110001011 | IZOBUTAN (PURE) (ISOBUTANE) (IT WILL BE USED FOR POWER SUPPLY)
| 19500 | Kilogram | 20204.68 | N/A | AKKIM YAPI KIMYASALLARI SANAYI VE TICARET A.S. |
| 3/25/2018 | 290110001011 | ISOBUTANE (USED AS PROMOTIONAL GAS FOR POWER SUPPLY)
| 19000 | Kilogram | 22843.56 | N/A | SEL DIS TICARET VE KIMYA SAN.A.S. |
| 3/29/2024 | 290110001011 | ISOBUTANE (PURE) (WILL BE USED IN POWER SUPPLY) | 19300 | KILOGRAM | 27018 | N/A | AKKİM YAPI KİMYASALLARI SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/7/2024 | 290110001011 | AERON ISOBUTANE WILL BE USED IN POWER SUPPLY OR AS FUEL. | 11020 | KILOGRAM | 16305 | N/A | RBS RAVAGO İNŞAAT YALITIM ÜRÜNLERİ ANONİM ŞİRKETİ |
| 3/7/2024 | 290110009019 | ISOBUTANE (WILL NOT BE USED AS POWER SUPPLY AND FUEL) | 7230 | KILOGRAM | 16483 | N/A | LİNDE GAZ ANONİM ŞİRKETİ |
| 3/8/2024 | 290110001011 | ISOBUTANE (ISOBUTANE RAW MATERIAL IS AEROSOL POLYURETHANE. IT IS USED AS A PROPELLANT GAS IN FOAM PRODUCTION AND IN POWER SUPPLY.) | 18200 | KILOGRAM | 24742 | N/A | SOMA KİMYA SANAYİ VE TİCARET ANONİM ŞİRKETİ |
| 3/27/2024 | 290110001011 | ISOBUTANE USED IN POWER SUPPLY | 20120 | KILOGRAM | 27037 | N/A | SİBA KİMYA VE ENDÜSTRİYEL ÜRÜNLER SANAYİ TİCARET ANONİM ŞİRKETİ |
| 3/18/2024 | 290110001011 | ISOBUTANE USED IN POWER SUPPLY | 19740 | KILOGRAM | 26819 | N/A | SİBA KİMYA VE ENDÜSTRİYEL ÜRÜNLER SANAYİ TİCARET ANONİM ŞİRKETİ |