The titles, which include Company, Cosmopolitan, Cosmopolitan Travel, Country Living, Good Housekeeping, Prima, Prima Baby, Runners World, She and Zest, will all be printed at Polestar Chantry.
Polestar key account director Avril Jenkins said: "We are delighted to continue our partnership with the National Magazine Company, which by 2012 will have spanned more than 30 years."
NatMags general manager Simon Horne, who assumed responsibility for all strategic procurement decisions following group manufacturing director Alice Beattie's departure earlier this month, said he was very pleased to extend what will be a 30-year relationship by 2012.
"We greatly value the long-term relationship with Polestar and the flexibility and innovation offered by its experience and expertise in our market," he said.
Meanwhile, the contract for Real People magazine has also been extended for a further 12 months at Polestar Sheffield.
NatMags renews 10-title print contract with Polestar
National Magazine Company (NatMags) has extended its contract with print giant Polestar covering 10 monthly titles, up to 2012.