(2) Include Diabetes, Vaccines and Consumer Health Care and Animal Health sales generated in Emerging Markets;

  Q1 2011Q1 2010(1)  % change

Q1 2011Q1 2010 Q1 2011Q1 2010  % changeNet sales6,5836,441+2.2%602944(36.2%)594513+15.8%7,7797,898(1.5%)Other revenues

404

385

+4.9%

5

54

5

(20.0%)413

395

+4.6%Cost of sales

(1,927)

(1,725)

+11.7%

(268)

(300)

(10.7%)

(167)

(152)

+9.9%(2,362)

(2,177)

+8.5%As % of net sales

(29.3%)

(26.8%)(44.5%)

(31.8%)(28.1%)

(29.6%)(30.4%)

(27.6%)Gross profit5,0605,101(0.8%)339649(47.8%)431366+17.8%5,8306,116(4.7%)As % of net sales76.9%79.2%56.3%68.8%72.6%71.3%74.9%77.4%Research and development expenses

(940)

(993)

(5.3%)

(125)

(117)

+6.8%

(35)

(36)

(2.8%)(1,100)