Quarterly Results

GAAP Results (unaudited)

1Q 2018
1Q 4Q 1Q Period Change
FY 2018 FY 2017 FY 2017 Q-T-Q* Y-T-Y*
Revenue $646.1 $744.4 $621.5 2.2% 4.0%
Gross margin 42.1% 43.7% 44.1% (1.3)% (2.0)%
Operating expense $255.0 $269.9 $254.7 9.7% 0.1%
Operating margin 2.6% 7.5% 3.1% (3.8)% (0.5)%

* For a full description and reconciliation of Non-GAAP (unaudited) measures see CIENA’s 1Q 2018 Earnings Release

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