U.S. Markets closed

Intuitive Surgical expects 2013 procedure growth at low end of 20%-23% range

Sees FY13 revenue growth at higher end of 16%-19% range. Expects systems product mix and overall systems ASP to return towards historical 2012 levels. Expects full-year operating income to fall within a range of 38%-39% of net revenue. Guidance taken from company's Q1 earnings conference call.