October 1981
Construction begins on the Rabigh Oil Refinery. The project was a joint venture of Saudi state oil company Petromin and Petrola International Saudi Arabia, owned by Greek shipping magnate John Latsis. HRH King Khalid bin Abdulaziz Al Saud awarded Petrola US$2.6 billion construction contract for the refinery, and UK-based Lummus Co. Ltd. (United Kingdom) provided engineering services.
 
1982
The first phase of the Rabigh Oil Refinery completed under HRH King Fahd bin Abdulaziz Al Saud.
 
1980s
Saudi Arabian Marketing and Refining Company (Samarec) operates Rabigh Refinery and Rabigh Port.
 
1989
Rabigh Refinery starts production. The refinery was one of the largest in the OPEC countries with a capacity of 325,000 barrels a day. Product yield from the refinery was 140,000 barrels per day of fuel oil, 58,000 barrels per day of naphtha, 46,000 barrels per day of diesel oil, 33,370 barrels per day of jet kerosene, and 5,000 barrels per day of LPG.
 
June 14, 1993 
Samarec dissolved and merged with Saudi Aramco, by the decree of HRH King Fahd bin Abdulaziz Al Saud.  Saudi Aramco acquires all assets, including the Rabigh Refinery and Rabigh Port. 
 
August 2005   
Rabigh Refining and Petrochemical Company (Petro Rabigh) established as a joint venture of Saudi Aramco and Sumitomo Chemical, making it the largest single-phase integrated refining and petrochemical complex in the world.
 
2005
Petro Rabigh establishes Apprenticeship Program for Non-Employees (APNE) for high school graduates.
 
December 2005        
Saad F. Al-Dosari appointed Petro Rabigh’s first President and CEO.
 
March 2006   
Construction begins on petrochemical plants with investments totaling US$9.8 billion, approximately 60% procured through project finance.
 
January 2008  
Petro Rabigh held its Initial Public Offering (IPO) on the Saudi Arabian stock exchange, Tadawul, changing the ownership of the company by Saudi Aramco and Sumitomo Chemical to 37.5% each. Some 4.5 million Saudis participate in the IPO, covering the share value fivefold.
 
2008
Petro Rabigh establishes the University Fresh Graduate Program (UFGP) to offer Saudi nationals company-specific work experience, modeled on Saudi Aramco’s highly influential Professional Development Program (PDP).
 
September 1, 2008
Petro Rabigh inaugurates training and scholarship programs that ensure young Saudi graduates are equipped with the skills for rewarding professional careers.
 
August 2009   
Ziad S. Al-Labban appointed Petro Rabigh’s second President and CEO.
 
November 8, 2009   
Petro Rabigh Inauguration. Guests include HRH Prince Faisal ibn Turki, Saudi Minister of Petroleum and Mineral Resources HE Ali I. Al-Naimi, Saudi Aramco President and CEO Khalid A. Al-Falih, and Tetsundo Iwakuni, Special Envoy of Japanese Prime Minister Yukio Hatoyama.
                
January 26, 2010  
Petro Rabigh awarded the Global Competitiveness Forum Award for being the company with the highest foreign investment in the Kingdom. President & CEO Ziad S. Al-Labban received the Global Competitiveness Forum Award on behalf of the company.
 
2010                 
PlusTech Park became Saudi Arabia’s first private industrial park integrated with a petrochemical complex. Saudi Aramco and Sumitomo Chemical founded the 2.4 square km park founded with an initial investment of 450 million Saudi riyals.
 
2010                 
Petro Rabigh ranks as among the Kingdom of Saudi Arabia's largest producers of polypropylene and polyethylene, and is its third largest producer of mono ethylene glycol. It is also the sole producer of propylene oxide in the Middle East. 
 
2011                 
Petro Rabigh was awarded ISO certifications in Quality Management (ISO 9001:2008), Environmental Management (ISO 14001:2004) and Occupational Health and Safety Management (OHSAS 18001:2007), making it the first and largest integrated refining and petrochemical company in the region to obtain all three simultaneously.
 
2011                 
Petro Rabigh ranked eighth in the annual list of the Top 100 Saudi companies operating in Saudi Arabia, a financial classification based on total revenue, assets and total shareholders’ equity. 
 
2011                 
Petro Rabigh receives a “Million Work Hours Award” from the US-based National Safety Council after operating six million employee hours without incurring occupational injury or illness involving days away from work for the period.
 
2011                 
Petro Rabigh successfully completes its Lenders’ Reliability Test (LRT) following a successful Turnaround& Inspection (T&I) earlier in the year, events which mark significant milestones in terms of achieving operational excellence.
 
2013                 
Abdullah S. Al-Suwailem appointed Petro Rabigh’s third President and CEO.
 
2014                
Petro Rabigh begins construction of its Phase II expansion project.
 
January 25, 2015
Petro Rabigh launches the Accelerated Capability Transformation, a multi-year partnership with the French Institute of Petroleum and KBC Advanced Technologies, to focus on production optimization and asset integrity.
 
March 2, 2015
Petro Rabigh inaugurates the Technical Learning Academy.
 
August 2015   
Petro Rabigh opens the Safety House and Museum. This unique project enables visitors of all ages to learn about household safety and the history, culture and customs of Saudi Arabia.
 
2015
On-Job Training sends operators all over the world to train on cutting-edge equipment and prepare them for the rigors of the job.
 
2015                 
Petro Rabigh completes the largest Turnaround & Inspection in Middle East history, with the technical expertise and professional energies of 25,000 contractors. 
 
November 2016       
Nasser D. Al-Mahasher appointed Petro Rabigh’s fourth President and CEO.
 
2017                 
The Rabigh Industrial Park, a 525-hectare site, established to attract third-party investors to utilize Petro Rabigh’s feedstocks to produce downstream chemical compounds.
 
2017                 
The Petro Rabigh Phase II expansion project nearly doubles the size of Petro Rabigh. The US$8 billion project introduces a wide range of petrochemical derivatives, many new to the Kingdom and the region.
 
2018
Petro Rabigh successfully integrate the operation of Rabigh project Phase I & Phase II.
 
2019
Petro Rabigh achieve the highest ever annual operation availability.
 
2019
Petro Rabigh successfully completes the Creditors Reliability Test of Rabigh project Phase II.
 
2020
Petro Rabigh completes the largest Turnaround & Inspection, with the technical expertise and experience of 18,711 technicians.
 
2020
Petro Rabigh successfully completes the Financial integration of Rabigh project Phase II.
 
2021
Othman A. Al-Gamdi appointed as Petro Rabigh's 6th President and CEO.
 
2022
Right Issue SAR 16.71 billion.