An Iranian senior foreign ministry official rejected reports on direct talks between Iranian and the US officials during the recent meeting in Almaty, ISNA reported.
"News on talks (between Iran and the US) is not true. They called for the talks, but it was not held," Iranian Foreign Ministry Spokesman Ramin Mehmanparast said.
He further added, regarding direct talks between Iran and the US, Iran may consider negotiations with the country, if it stops enmity with the Iranian nation and changes its attitude.
The Iranian foreign ministry official also added, "Iran is serious for talks as it has announced earlier. It does not see the atmosphere negative and believes that Almaty 2 talks can make Almaty 1 talks complete."
The U.S. Department of State spokesman Alan Eyre told Trend on Thursday that he would not comment on the issue.
Iranian Supreme Leader Ayatollah Ali Khamenei said during the latest Novrooz celebrations that he is not against the direct talks with the U.S., however added that he's not optimistic about the outcome.
The negotiations on the nuclear programme between Iran and the 'six' countries (U.S., UK, France, Russia, China and Germany) took place on April 5-6 in Kazakhstan.
At the end of the negotiations, the EU High Representative for Foreign Affairs and Security Policy Catherine Ashton said the parties have not reached an agreement.
The previous round of negotiations took place on February 26-27 in Kazakhstan.
The U.S., and other Western countries and Israel suspect Iran of developing nuclear weapons under the guise of a peaceful nuclear energy programme. Tehran denies the charges saying its nuclear programme is for civilian purposes.