Target Plan as of Aug 18, 2014* 3 Merrimack Mesa Aug 2014 (Actual)** 165 kg @23 days, mm/boule 1,492 1,438 mm/day 65 63 242 kg @32 days, mm/boule 423 546 mm/day 13 17 Oct 2014 (Target) 165 kg @20-21 days, mm/boule 2,000 mm/day 95-100 Sep 2015 (Target) 242 or 262 kg @27 days, mm/boule 3,300 mm/day 122 *As provided in bankruptcy court document #714-2 **Based on less than 20 boules from Mesa and less than 30 boules from Merrimack ©2015 GTAT Corp. All rights reserved.
GTAT ASF® Throughput Analysis ©2015 GTAT Corp. All rights reserved. 4 Assumptions/Notes: • Current and future brick yields are estimates and based on prior defect rates • No bricking or brick level inspection capabilities after Oct 2014 • All recent yield assumptions based on boule level inspection • One lost boule per year • Theoretical Spec is 100% of useable material between top and bottom gas • Realistic Spec is without LD limitations • Spec A reflects a tight bubble spec • Spec B reflects a looser bubble spec • Target Specs reflect a looser bubble spec End o f 2016 (E s t) End o f 2015 (E s t) End o f 2015 (E s t) C urren t (E s t) A s o f O c t 201 4 A s o f O c t 201 4