Strangely, the news comes after it was revealed that TSMC would be producing A-series chips for Apple starting in 2014.
Samsung Electronics had supplied the AP [application processor] to Apple since 2007 but lost the contract to supply 20 nano AP A8 chips to Apple to Taiwan's TSMC last year when it was engaged in patent disputes with Apple. Samsung Electronics developed state-of-the-art 14 nano models ahead of its rival TSMC, regaining the order from Apple.
The TSMC deal was reported as a three-year deal covering A8, A9, A9X chips so it's unclear if both companies will be producing the A9 chips or whether Apple is already making a move back to Samsung.
Notably, a recent report claims that Apple has bought into a chip fab and is looking to eventually produce their own chips.
Read More [via MacRumors]