Dynasty Maxstar 280 Quick Specs Dynasty 280 Processes

Dynasty / Maxstar® 280

Quick Specs – Dynasty® 280 Processes - AC/DC TIG, AC/DC Stick Input Power - 208 -575 Volts, 1 - or 3 -Phase, 50/60 Hz Rated Output (230 Volt, 1 -Phase) - DC TIG - 235 A, 60% - 200 A, 100% - DC Stick - 180 A, 60% - 160 A, 100% Weight - 52 lb 2

Quick Specs – Maxstar® 280 Processes - DC TIG, DC Stick Input Power - 208 -575 Volts, 1 - or 3 -Phase, 50/60 Hz Rated Output (230 Volt, 1 -Phase) - DC TIG - 235 A, 60% - 200 A, 100% - DC Stick - 180 A, 60% - 160 A, 100% Weight - 47 lb 3

Features Capable - Ability to weld steel with a min 0. 004”– max 3/8” - Dynasty can weld aluminum with a min 0. 012” – max 3/8” Easy - New operator-friendly interface - Pro-Set (Professional Settings) - Standby/power switch on control panel Portable - Maxstar® 280: 47 lb - Dynasty® 280: 52 lb Energy Efficiency - Draws less power than traditional welder Flexible - Memory card port 4

Auto-Line™ • • • 1 - or 3 -Phase Run off 208 -575 input voltage hookups Operate in various types of conditions No manual linking Tolerant of voltage fluctuation 5

Operator-Friendly Interface Dynasty 280 Maxstar 280 Base Model - Essential features Limited ranges Menu parameters Pro-Set Dynasty 280 Maxstar 280 DX Model - Full featured Extended ranges Dashboard parameters Pro-Set 6

Pro-Set™ (Professional Settings) • Use when you want the speed, convenience, and confidence of pre-set controls • Select parameters and adjust until “Pro-Set” appears • Available for – – – AC Balance (75%) AC Frequency (120 Hz) Pulse Frequency (100 Hz) Pulse Peak Time (40%, DX models only) Pulse Background Amperage (25%, DX models only) DIG Controls - 6010 (65%) and 7018 (30%) electrodes 7

Standby/Power Switch • Conveniently located on control panel • Main (mechanical) power switch located on rear of machine Green LED indicates power is on. Red LED indicates the machine is off, but primary power is connected and on. NO LED indicates the machine is not plugged in or the main primary power is off. 8

Three Ways to Carry • Three (3) ways to carry • Dual carry handle & carry strap 9

SD Memory Slot • Purchase new software upgrades and features to customize your machine • Software updates and expansions available at www. millerwelds. com/TIGsoftware 10

Energy Efficient • Draws less power than traditional welders - Dynasty 280 & Maxstar 280 draw less power than 12 A while TIG welding at full output on 460 V – 3 Phase • Less expensive to install and operate • Flexibility to add machine and work stations on existing power • Savings reduce cost of ownership 11

Maxstar/Dynasty 280 System Solution WP-280 Water-Cooled Torch Maxstar/Dynasty 280 Cooling Method Water-Cooled Ratings DC: 280 A AC: 195 A Duty Cycle 100% Consumables 13 N Electrode Range. 020 – 1/8 in (0. 5 -3. 2 mm) Cable 3 -Piece 12

WP-280 Water-Cooled Torch (New Feature) • Two-piece torch head with exclusive Super. Cool™ – provides additional surface area to increase cooling efficiency and capacity • • Handle includes an anti-rotation feature and multi-position locking to prevent movement during welding and improve operator control Secure gas and water connection to help prevent leakage and allow easy hose replacement 13

Coolmate 1. 3 • • • Designed to integrate with Dynasty 280 1. 3 gallon coolant reservoir Thermally protected ¼ HP pump motor Efficient fin and tube heat exchanger Max cooling capacity 13, 000 BTU/hr Plugs into facility with 115 V power 14

Dynasty Series New Dynasty 200 Dynasty 280 Dynasty 350 Dynasty 700 115 -480 Volts 208 -575 Volts 1 -200 Amps 1 -280 Amps 3 -350 Amps 5 -700 Amps ¼” Aluminum 3/8” Aluminum 5/8” Aluminum 1” Aluminum H: 13. 5 W: 7. 5 D: 21. 5 H: 13. 6 W: 8. 6 D: 22. 4 H: 24. 8 W: 13. 8 D: 22 H: 34. 5 W: 13. 8 D: 22 45 lb ( 20 kg) 52 lb (24 kg) 135 lb (61 kg) 198 lb (90 kg) 15

Maxstar Series New Maxstar 150 Maxstar 200 Maxstar 280 Maxstar 350 Maxstar 700 115 -230 Volts 115 -480 Volts 208 -575 Volts 5 -150 Amps 1 -200 Amps 1 -280 Amps 3 -350 Amps 5 -700 Amps 3/16” Steel ¼” Steel 3/8” Steel 5/8” Steel 1” Steel H: 9 W: 5. 5 D: 13. 3 H: 13. 5 W: 7. 5 D: 7. 5 H: 13. 6 W: 8. 6 D: 22. 4 H: 24. 8 W: 13. 8 D: 22 H: 34. 5 W: 13. 8 D: 22 14 lb (6 kg) 37 lb (17 kg) 47 lb (21 kg) 135 lb (61 kg) 198 lb (90 kg) 16

Competitive Landscape - Miller Syncrowave 210 Dynasty 200 SD Syncrowave 250 DX Dynasty 280 (DX) Dynasty 350 Process AC/DC TIG, DC Stick AC/DC TIG/Stick Input Power 1 -Phase (115 -230 V) 1 - or 3 -Phase (115 -460 V) 1 -Phase (230/460/575 V) 1 - or 3 -Phase (208 -575 V) 1 - or 3 -Phase (230 -575 V) Welding Amp Range TIG 5 -210 A Stick 20 -150 A 1 -200 A 3 -310 A 1 -280 A 3 -350 A Material Thickness . 020 - ¼ in . 004 - ¼ in Steel. 020 - ¼ in Aluminum . 012 - ½ in Steel. 015 - 3/8 in Aluminum . 004 - 3/8 in Steel. 012 - 3/8 in Aluminum . 012 - 5/8 in Steel. 015 - 5/8 in Aluminum Size (H x W x D) 31. 5 x 918. 5 x 43 in 13. 5 x 7. 5 x 21. 5 in 33. 25 x 22. 5 x 25 in 13. 6 x 8. 6 x 22. 4 24. 75 x 13. 75 x 22 Weight 133. 5 lbs 45 lbs 378 lbs 52 lbs 135. 5 lbs AC Balance 60 -80% 30 -99% 45 -68% 60 -80% (50 -99%) 30 -99% AC Frequency 100 Hz (Expandable) 20 -250 Hz 60 Hz 70 -150 Hz (20 -400 Hz) 20 -400 Hz Pulse Off – 50 PPS N/A Off – 10 PPS Off – 250 PPS (Off – 500 PPS) Off – 5000 PPS Pro. Set™ Yes- Balance & DIG N/A Yes – Balance, AC Freq, DIG, PPS (Peak Time, Background Amps) N/A Expandable Yes- Memory Card N/A Yes – Memory Card N/A BASICS DIMENSIONS KEY FEATURES 17

Competitive Landscape - Miller Key Customer Needs Deficiencies of Other TIG Machines Easy Operator-friendly interface is less complicated than Dynasty/Maxstar DX models Ability to weld 3/8” material Syncrowave 210 has material thickness capacity of ¼” Affordable Dynasty 350 offers more features, but is priced higher ($2, 000) than Dynasty 280 Portable Syncrowave 250 weighs 378 lbs; Dynasty 280 weights 52 lbs Flexible First Dynasty/Maxstar to have memory card capabilities 18

Ideal Uses for Dynasty/Maxstar 280 Target Markets Dynasty 280 • • • Precision Fabrication Heavy Fabrication Pipe and Tube Fabrication Aerospace Aluminum Ship Repair Anodized Aluminum Fabrication • Syncrowave 250 owners Maxstar 280 • • • Precision Fabrication Petro Chemical Aerospace Food/Beverage Industry Dairy Shipboard 19

Models, Accessories & Pricing DYNASTY Stock # Description List Price 907550 DYNASTY 280 (AUTO-LINE 208 -575 V) $4, 967 907551 DYNASTY 280 DX (AUTO-LINE 208 -575 V) $5, 557 MAXSTAR 907552 MAXSTAR 280 (AUTO-LINE 208 -575 V) $4, 013 907553 MAXSTAR 280 DX (AUTO-LINE 208 -575 V) $4, 573 ACCESSORIES 300972 COOLMATE 1. 3 $725 300988 RUNNER CART SMALL $592 300990 TORCH, TIG 280 A 25 FT WATER COOLED AND ACCYS $680 195054 CONTRACTORS KIT, 150 A TIG/STICK W/RFCS-14 HD (Foot) $896 195055 CONTRACTORS KIT, 150 A TIG/STICK W/RCCS-14 (Finger Tip) $824 WP 2625 RM WELDCRAFT, AIRCOOLED, 200 A, 25 FT $289 195379 ADAPTOR, TORCH-INTNL STYLE GAS (#26) $71 20

Rollout Information • Rollout Date: September 30, 2013 • Nationwide Limited Quantity – 100 units/month – Check with Miller DM for Lead Times • Lead time will be monitored and adjusted as necessary – Orders to be fulfilled by Place Date • No complete packages or Cooler Power Supply (CPS) initially, these will follow at a later date. • It is our recommendation that persons desiring a water cooled system wait until we begin installing the integrated cooler/ power supply (expected later in Q 4). 21

Questions? Thank you! 22