(Sharecast News) - GBGI Limited, an AIM-listed provider of international bene?ts insurance, said on Friday that it recorded year-over-year growth in its interim gross written premium.In an update for the six months to 30 June, the company said it saw continued growth in the business across its diversified product and regional footprint.It also said it expects gross written premium and underlying net income for the year to 31 December 2018 to be "broadly in line" with initial expectations. The non-recurring, one-off expenses incurred in 2018 are estimated at around $2.8m, including a $2m investment in the group's distribution channels.Chief executive officer Bob Dubrish said: "We have a strong start to the third quarter and we are confident in our business model and that we are making good progress on our 2018 initiatives."At 1353 BST, the shares were up 7.1% to 105.50p.