The group, which is listed in London and Johannesburg, said underlying earnings before interest, tax, depreciation and amortisation (EBITDA) rose to 1.76 billion euros (1.51 billion pounds) in the year ended Dec. 31, up from 1.48 billion euros a year earlier.

The 52-year-old firm — like its peers Smurfit Kappa Group Plc, Sappi Ltd and DS Smith Plc — has been plagued by pricing pressures from higher costs for raw materials and said on Thursday it had implemented "strong" cost control across the group.

"I am particularly pleased to report on ... strong cost containment, mitigating the inflationary pressures on our cost base," Chief Executive Officer Peter Oswald said.

The company, which makes office paper and corrugated cardboard boxes, expanded over the years from being predominantly a producer of printing paper into a packaging manufacturer for consumer goods, with a market capitalisation of about 8.99 billion pounds.

"Pricing is mixed going into 2019, with recent price reductions in containerboard grades and market pulp and stronger pricing in our kraft paper markets," Oswald said.

(Reporting by Justin George Varghese in Bengaluru; Editing by Shounak Dasgupta)