Operating Metrics (Unaudited)

	2018			2017												2016
	Q1			Q4			Q3			Q2			Q1			Q4			Q3			Q2			Q1
Axon & Evidence.com Bookings (millions)	$	97.5		$	71.2		$	78.0		$	81.9		$	60.1		$	72.5		$	57.5		$	72.0		$	52.1
Sequential % Change	37		%	-9		%	-5		%	36		%	-17		%	26		%	-20		%	38		%	17		%
Software & Sensors Annual recurring Revenue (millions) (1)	$	83.3		$	70.0		$	63.7		$	54.7		$	46.2		$	40.2		$	32.0		$	21.1		$	18.1
Future Contracted Revenue (millions) (2)				$	536.0		$	494.2		$	446.4		$	390.0		$	350.8		$	302.0		$	262.8		$	202.3
Sequential % Change	n/a			8		%	11		%	14		%	11		%	16		%	15		%	30		%	27		%
Software & Sensors Backlog (3)	$	570.0
Sequential % Change	n/a
Multiple Year Contract % (4)	93		%	97		%	98		%	97		%	94		%	88		%	89		%	95		%	95		%
Weapons Op Inc %	30		%	32		%	30		%	33		%	35		%	36		%	38		%	33		%	34		%
Evidence.com new seats booked	25,400			14,100			18,400			20,600			16,400			21,400			15,600			20,200			15,800
Evidence.com cumulative seats booked	226,900			201,500			187,400			169,000			148,400			132,000			110,600			95,000			74,800
(1) Monthly recurring license, integration, warranty and storage revenue annualized.
(2) Cumulative bookings for Axon and Evidence.com minus cumulative recognized revenue related solely to Axon and Evidence.com
(3) This metric replaces our previous disclosure of Future Contracted Revenue and represents recognized contract liabilities as well as amounts that will be invoiced and recognized in future periods. Backlog is limited only to arrangements that meet definition of a contract under Topic 606 as of March 31, 2018.
(4) For orders booked with Evidence.com seats, the % that signed multiple year contracts.