Jan 13 (Reuters) - Sri Lankan shares extended gains to a second session on Thursday, closing more than 1% higher as financial and industrial stocks advanced. * At the close of trade, the CSE All-Share index (.CSE) was up 1.64% at 13,338.49 points. * Conglomerate LOLC Holdings (LOLC.CM) and logistics firm Expolanka Holdings (EXPO.CM) were among the top boosts to the index, climbing 5.6% and 1.7% respectively. * Foreign investors were net sellers in the equity market, offloading shares worth 340.9 million rupees ($1.68 million), while domestic investors were net buyers of shares worth 6.92 billion rupees, exchange data showed. * The equity market"s turnover was 7.07 billion rupees. * Trading volume fell to 252.6 million shares from 317.3 million shares in the previous session. * The South Asian country is facing its worst financial crisis in decades with foreign exchange reserves shrinking. * Sri Lanka has to also repay about $4.5 billion in debt this year, with a $500 million International Sovereign Bond maturing next week. * The governor of Sri Lanka"s central bank confirmed in a tweet after market close that the Indian central bank would offer a $400 million forex swap line. * Meanwhile, data from the country"s health bureau showed Sri Lanka had a total of 593,725 coronavirus cases and 15,163 deaths, as of Wednesday. * About 63.58% of Sri Lanka"s population has been fully vaccinated, according to data from Johns Hopkins University. * For a report on global markets, click ($1 = 202.7500 Sri Lankan rupees)