The pair have always maintained their innocence and said that they acted under the belief that they were participating in a joke for a television show when they sprayed the victim's face with a substance that they believed was harmless.
"This is the third letter but the first to Thomas to withdraw the charge against Huong on the principle of fairness", Salim told FMT. Siti said she was happy to meet Jokowi.
Defense lawyers have maintained that the women were pawns in an assassination orchestrated by North Korean agents. No reason was given.
"I am sure they decided that it was an easy thing to release her and score a few points with Indonesia".
The other suspect in the murder case, Vietnamese national Doan Thi Huong (30), remained in prison and she is expected to appear in court on Thursday.
Markets Right Now: Stocks end mostly higher; Boeing falls
Shares in Southwest Airlines sank 2.12 percent while American Airlines lost 0.2 percent, United Continental gave up 0.8 percent. Stocks are moving steadily higher in midday trading on Wall Street, putting the market on track for its third gain in a row.
Ms Doan was due to testify yesterday after months of delay but the trial was adjourned after her lawyer said she was "traumatised" to learn she now faced the charges alone. "Both of them were charged on the same evidence, the defence was called on fairly the same grounds", said Mr Salim Bashir, one of her lawyers.
"But, the prosecution can grant a discharge not amounting to an acquittal", he said. "We are making representation to the attorney general for Doan to be taken equally.there must be justice". Then she was whisked away to the Indonesian embassy, then put on a plane for Jakarta and a packed news conference once she arrived.
Vietnam provided legal counsel to Huong, but has refrained from publicly lobbying for her release until Tuesday.
Siti Aisyah's trial was suspended in December as her lawyers argued with prosecutors over access to statements made by seven witnesses. The attorney-general agreed to the request last week. The foreign ministry said in a statement that she was "deceived and did not realise at all that she was being manipulated by North Korean intelligence".