Walgreen Co. has recorded a fall of 25 percent in profits during the recent quarter as the company assured that it is working to win back customers.

Walgreen has lost several of its customers amid its contract dispute with Express Scripts Holding Co. The country's largest drugstore chain recorded a profit of $413 million during the three months till November 30, compared with $554 million recorded in the same period of the previous year. The sales of the company fell 4.6 percent during the quarter, to $17.3 billion. The sales in stores open at least a year fell 8 percent during the period.

Deerfield-based Walgreen Co had to leave the pharmacy-benefits manager Express Scripts Holding network due to a dispute over a contract rate. Even as Walgreen and Express Scripts resolved their differences, CVS Caremark was expected to gain from the gained customers from the time during which the dispute continued between the two parties.

Walgreen is taking steps to woo back customers who shifted their prescriptions to other pharmacies earlier this year due to the dispute. According to estimates, the dispute amounted to an annual revenue loss of $4 billion for Walgreen.

The shares of the company fell $1.24 or 3.3 percent to $36.31 on Friday after the company recorded lower than expected profits in the quarter.