Samsung Biologics' plant in Yeonsu-gu, Incheon, on the 30th of last month, a day before the labor union's strike/Courtesy of Yonhap News

The Samsung Biologics labor union has gone on strike for the first time since the company was founded.

The Samsung Group cross-company labor union's Samsung Biologics chapter will begin a full strike from the 1st to the 5th.

The union earlier demanded a 30 million won bonus per person, a 14% wage increase, and a distribution of 20% of operating profit as performance pay, but tensions are rising after the company proposed a 6.2% wage increase. Negotiations continued from Dec. to Mar., but the gap remains.

After holding a partial strike on the 28th to 30th of last month, the union is now launching a full-scale strike. About 60 members from certain business divisions joined the partial strike, but about 2,000 people are said to have expressed their intention to participate in this strike.

However, the strike will take the form of using annual leave, and no separate collective actions are expected during this period. In addition, there will be no strike in three finishing processes—such as preventing the deterioration and spoilage of pharmaceuticals—that the court has restricted from strike action.

Labor and management arranged a meeting for an agreement the previous afternoon through mediation by the Jungbu Regional Employment and Labor Office, but ultimately failed to reach a deal.

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