Merck (NYSE:MRK) has declared its inaugural quarterly dividend of 2013, keeping it in line with its previous payout. For its Q2, the company is to hand out $0.43 per share of its common stock on April 5 to shareholders of record as of March 15, matching the disbursement from mid-December. Previously, the company paid $0.42 per share.

Merck is a habitual dividend payer, although it rarely adjusts its payout. From September 2004 to September 2011, the company distributed $0.38 nearly every quarter.

The just-announced dividend annualizes to $1.72 per share, which yields 4.1% at Merck's current stock price of $42.42.

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