Samsung Electronics' union said on Friday it will enter a mediation process with the company on May 11 and 12 over a wage dispute that has threatened to escalate into a full-blown strike at the company. Negotiators from the union, management and the government met on Friday, with Labour Ministry officials pledging "full support" for talks between the two sides, the union said. Shares of Samsung Electronics jumped 2.6% in after-hours trading in Seoul.