Nasser Saidi, a former economy minister of Lebanon, told Dubai Eye Radio in an interview broadcast on Wednesday that Aramco has to address how the company will separate its assets and liabilities from those of the state.
"Many countries could follow in the region. (The) UAE I think could potentially be attracted to this," Saidi said.
While Aramco is the world's largest oil firm, the United Arab Emirates, Kuwait and Qatar also hold major oil assets that are managed by state companies.
When the plan was announced in June last year, it pledged to "transform Aramco from an oil-producing company into a global industrial conglomerate", although Saudi officials still debate the shape the company should take.
The Saudi government plans to list up to 5 percent of Aramco next year on the local bourse and international stock markets.
The proceeds will be used to invest in other sectors likely to create jobs for young Saudis.
But for the plan to succeed, Saidi said Aramco must address issues related to governance, transparency and "who owns the natural resource wealth of Saudi Arabia".
"The big issue really is one of public finances and separating out private ownership from public and state ownership," he added.
Saidi also pointed to questions concerning the 20 percent royalty and 85 percent tax that Aramco pays to the government, which many investors believe could lower its value in an IPO.
"There is a lot of uncertainty as to what sort of taxation regime will be applied to Aramco, whether or not resources under the ground will be included and how do you separate out those from those above and other activities," he said.
This could lead to other questions on Saudi Arabia's leading role in the Organization of the Petroleum Exporting Countries, which sets production targets and allocates them among members.
"What happens if you have a board Are you going to separate out political decision-making ... from that which is in the best interest of Aramco" he said.
(Reporting by Reem Shamseddine and Katie Paul; Editing by Sami Aboudi and Dale Hudson) ((Katie.Paul@thomsonreuters.com, +966539299337))
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