Iranian President Masoud Pezeshkian reiterated his country’s stance on its "peaceful nuclear rights" on Sunday, asserting that Iran will not pursue nuclear weapons.

During a cabinet meeting, Pezeshkian addressed U.S. concerns, stating, “The United States told us that they wanted to make sure that we did not want to obtain nuclear weapons - we were fully prepared for this.”

He also emphasized that Tehran will continue nuclear research for the benefit of its citizens in sectors such as medicine, agriculture, industry, and environmental protection.

Pezeshkian further rejected the demand for dismantling Iran’s nuclear facilities, saying, “The discussion that has been raised about dismantling Iran's entire nuclear facilities is unacceptable to us.”

Tehran insists its nuclear program is peaceful, opposing both Western claims of weapon development and the “zero enrichment” demand put forward by some U.S. officials.

Earlier on Friday, Special Envoy Steve Witkoff told reporters that Iran’s enrichment infrastructure must be dismantled for any agreement to be reached. In contrast, Iranian Deputy Foreign Minister Abbas Araghchi stated on Sunday, “Enrichment... must continue and there is no room for compromise on it.”

Pezeshkian also emphasized Iran’s commitment to peace, saying, “We are serious in the negotiations and seek an agreement. We hold talks because we want peace.”

He added, “We can assure you that the Islamic Republic of Iran has never sought, is not seeking, nor will seek nuclear weapons.”

The statements came as the fourth round of negotiations between the U.S. and Iran took place on Sunday in Oman, lasting about three hours. The U.S. delegation was led by Steve Witkoff, while the Iranian delegation was headed by Abbas Araghchi. The talks follow earlier discussions on April 12, 19, and 26 regarding Iran’s nuclear program.

Foreign Minister Araghchi described the talks as “more serious and explicit” than the previous rounds. Ministry spokesman Esmaeil Baqaei called the discussions “difficult but useful,” aimed at better understanding each other’s positions and finding “realistic ways” to address differences.