Yuan Heng Gas' (HKG:0332) capital reorganization became effective and dealings in the new shares began Monday, according to a same-day Hong Kong bourse filing.

The board lot size for trading on the bourse will be increased to 10,000 new shares from 4,000 existing shares.

Shareholders may, between July 6 and Aug. 11, exchange their old share certificates for new ones.

Following the capital reorganization, the maximum number of new shares to be granted under a share option scheme will be adjusted to 32.7 million new shares from 654.6 million existing shares previously, effective July 6.