Prime Minister Datuk Seri Najib Tun Razak today expressed his appreciation of all workers in conjunction with Labour Day tomorrow.

"In conjunction with this year's Labour Day, I would like to take the opportunity to thank all workers for their contributions towards the success of Malaysia achieved to date.

"I hope all could spend some quality time with family members over the long weekend holidays. Happy Labour Day to all!" he said in his official Facebook site here today.

The national level 2015 Labour Day celebration will be held for the first time in Sarawak tomorrow.

Human Resource Minister Datuk Seri Richard Riot Jaem was reported as saying the celebration with the theme 'Healthy Workers, Higher Productivity' will be held at the Borneo Convention Centre in Kuching and is expected to be attended by 10,000 people.