- The treaty was signed on April 25, 1809, between Maharaja Ranjit Singh, the founder of the Sikh Empire, and the British East India Company. - Charles Theophilus Metcalfe was sent by the British Governor-General Lord Minto to negotiate the treaty. - The treaty established the Sutlej River as the boundary between Ranjit Singh's territories and the British possessions/protected Sikh states.