Western Areas NL non executive director Terry Streeter has decreased his indirect interest in the company - held through Jungle Creek Gold Mines Pty Ltd - by selling over 1 million shares for a total of $5.1 million in an off-market crossing. He now owns 31.4 million shares in the mining explorer valued at $148 million. Minerals Resources Ltd non executive chairman Michael Kiernan has increased his indirect interest in the company through the purchase of 1.1 million shares valued at $4.4 million. He now owns 1.2 million shares valued at $4.8 million. Dominion Mining Ltd executive director and chief executive Peter Alexander has increased his direct interest in the mineral explorer with the acquisition of 300,000 shares valued at $855,000, through an exercise of options. He now holds 311,428 shares worth $887,570. Executive director and chief financial officer Ross Coyle took up 200,000 shares worth $570,000 through an exercise of options. He now owns 234,000 shares worth $668,031. Matrix Metals Ltd chairman and non executive director David Humann has increased his indirect interest in the explorer through the acquisition of 1.2 million shares at a value of $209,246. He now owns 3 million shares valued at $405,000.