In a post-market-hours disclosure, Hindustan Zinc said its board of directors on Wednesday declared a special golden jubilee dividend of ₹24 a share for FY 2015-16. This works out to 1,200 per cent on the stock’s face value of ₹2. The record date to identify eligible shareholders is April 7. Currently, about 56,500 small shareholders own 0.84 per cent stake (or 3.53 crore shares) in the company. Promoter Vedanta holds 64.92 per cent stake.