Amends GS 105-130.3 to reduce the corporate tax rate to 4.9% effective January 1, 2012 (was 6.9% for tax years after 1999). Adds new exclusions from corporate income apportionment provisions for (1) any corporation whose principal business in North Carolina is manufacturing, assembly, or processing goods and materials and (2) a corporation operating a datacenter in North Carolina in which the corporation has invested at least $100 million and the value of the property in service at the datacenter is at least 50% of the total value of property the taxpayer has in North Carolina; effective January 1, 2012. Repeals GS 105-130.4(s1). Extends the sunset on sales tax refunds on building materials for large industrial projects, GS 105-164.14B(f), and the sunset on tax credits for growing businesses, GS 105-129.82(a), to January 1, 2016 (was, January 1, 2013).