TEMPO.CO, Jakarta - President Director of PT Pertamina Patra Niaga, Riva Siahaan, adds to the list of Pertamina directors who have been involved in corruption. He is officially a suspect in a case of corruption in the management of crude oil and refinery products.

The Attorney General's Office (AGO) revealed that Riva Siahaan had conditioned a meeting on downstream optimization that became the basis for reducing refinery production, resulting in incomplete absorption of domestic crude oil production.

Corruption cases involving Pertamina directors are not new, as there have been several directors who became suspects in corruption cases. Who are they?

1. Karen Agustiawan

Former President Director of PT Pertamina (Persero) from 2009-2014, Galaila Karen Kardinah or Karen Agustiawan, was named a suspect in the case of corruption in the procurement of liquefied natural gas (LNG) during the period of 2011-2014. Karen unilaterally terminated the LNG procurement agreement without a thorough study and analysis.

On Friday, February 28, 2025, the Supreme Court increased Karen's sentence, previously sentenced to nine years in prison and a fine of Rp 500 million or three months imprisonment. The excerpt from the verdict read, "Criminal imprisonment of 13 years."

In addition, the cassation bench also imposed a fine of Rp 650 million on Karen. If she is unable to pay, it will be substituted with six months imprisonment.

2. Yenni Andayani

Acting President Director of Pertamina (2017) and former Senior Vice President (SVP) of Gas and Power at Pertamina, Yenni Andayani, also became a suspect in the case of corruption in the procurement of LNG during the period of 2011-2014.

"The defendant's (Karen) actions, together with Yenni Andayani and Hari Karyuliarto, resulted in state losses through PT Pertamina amounting to 113.84 million US dollars," said the Prosecutor of the Corruption Eradication Commission (KPK), Wawan Yunarwanto.

3. Bambang Irianto

Former President Director of Pertamina Energy Trading Limited or Petral, Bambang Irianto, was named a suspect in the oil and gas (migas) mafia case in 2019. He was suspected of receiving gifts or promises related to crude oil trading activities and refinery production at Pertamina. The case began when he helped secure the allocation of Kernel Oil cargo in the procurement or sale of crude oil and refinery products tender.

4. Ariffi Nawawi

Former President Director of Pertamina during the period of 2003-2004, Ariffi Nawawi, was named a suspect in the case of the sale of very large crude carrier (VLCC) tankers. The VLCC case began on June 11, 2004, when the Board of Directors and President Commissioner of Pertamina sold two tankers with the hull numbers 1540 and 1541 that were still in the production process in South Korea.

5. Luhur Budi Djatmiko

In 2024, the Indonesian National Police designated the General Manager of Pertamina during the period of 2012-2014, Luhur Budi Djatmiko, as a suspect in the alleged corruption case of land acquisition in the Kuningan area, South Jakarta by Pertamina in 2013-2014.

The acquisition is suspected of violating legal provisions due to price markup. According to the results of the Financial and Development Supervisory Agency (BPK) calculation, Luhur's actions caused state losses estimated at Rp 348.69 billion.

6. Yoki Firnandi

Former President Director of PT Pertamina International Shipping (PIS), Yoki Firnandi, was also named a suspect in the case of alleged corruption in the management of crude oil and refinery products during the period of 2018-2023. In this case, Yoki inflated the value of crude oil delivery contracts, resulting in costs of 13-15 percent.

7. Riva Siahaan

Lastly, President Director of PT Pertamina Patra Niaga, Riva Siahaan, became a corruption suspect in the management of crude oil and refinery products. In this case, Riva conditioned a meeting on downstream optimization, which became the basis for reducing refinery production, resulting in incomplete absorption of domestic crude oil production. As a result, the country suffered losses of around Rp 193.7 trillion.

Melynda Dwi Puspita, Amelia Rahima Sari, and Dani Aswara contributed for this article.

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