The Tuner Company

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Forward-Looking Statements All statements in this presentation other than statements of historical fact are forward-looking statements that are subject to risks and uncertainties that could cause such statements to differ materially from actual results. Such forwardlooking statements may be accompanied by words such as "plan," "if," "estimate," "expect," "believe," "could," "would," "anticipate," "may," or other words that convey uncertainty of future events. These forward-looking statements are made in reliance, in part, on the Private Securities Litigation Reform Act of 1995. Factors which could cause actual results to differ from anticipated results include the Company's ability to introduce new products, achieve design wins, maintain customer relationships, forecast revenue and manage inventory levels, control expenses, protect intellectual property, and succeed in any future litigation. Any one of these factors may cause the Company's actual financial results to differ materially from its projected results. The forward-looking statements in this presentation speak only as of the date they are made. We undertake no obligation to update any forward-looking statement for any reason. Please see our Annual Report on Form 10-K, subsequent Quarterly Reports on Form 10-Q, and other SEC filings which discuss the foregoing factors as well as other important risk factors that could affect our business, results of operations and financial condition. 2

We Deliver Video, Voice and Data via RF Signals to Consumer Electronics HDTV/Digital TVs

Cable Broadcast Microtune Products

Set-Top Boxes

PC-TVs Mobile Terrestrial Broadcast

Handheld TVs

Cable/VOIP Modems Automotive TVs and Radios Terrestrial Broadcast

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Microtune Tuners Are Widely Deployed Today Applications Span Consumer and Convergence Devices and All Reception Standards: Analog, Analog/Digital and Digital Samsung HDTV High definition TV: Plasma, LCD or DLP models Scientific-Atlanta Multi-Tuner Set-top Boxes High-definition programs, video-on-demand PVR capability ARRIS VoIP Cable Modems High-speed data access and digital phone service Qosmio Personal Entertainment PC TV, PVR, PC and DVD in one platform ATI PC-TV Multimedia Cards TV with ‘watch and record’ functionality Mercedes Car TV Portable TV 4

Tuner Controls the Quality of the Signal The Quality of the User Experience Depends on the Tuner’s Performance

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Analog Noise

Digital Pixelation

Digital Loss of Reception

Analog Interference

Digital Artifacts

Quality Signal Reception

How Does Our Technology Fit In? RF Front-End for Digital TV

Analog Tuner

Analog Demodulator

Display Processor

Display Digital Tuner

Digital Demodulator

MPEG Decoder

New Components Needed for Digital TV

Digital tuner, digital demod and MPEG decoder are needed to add digital TV reception

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Microtune – The Tuner Company Š Inventor of and market leader in single-chip silicon TV tuners – Introduced world’s first TV tuner IC in 1999 – 56 U.S. patents protect Microtune technology – Shipped more than 20 million single-chip TV tuners, more than all competitors combined Š Focus on large and growing consumer electronics markets; increasing market share with worldwide industry-leading customers Š Global organization - more than 170 employees; 70% of team is technical Š Strong financial results and margins with solid balance sheet 7

Estimated Available Tuner Market Unit Shipments in Available Markets* 350,000,000

Tuner Units Shipped

300,000,000 250,000,000 Car TV Tuners Car Radio Tuners

200,000,000

Mobile TV Tuners PC-TV Tuners

150,000,000

DTV Tuners Cable STB Tuners

100,000,000

Cable Modem Tuners

50,000,000

2005 8

2006

2007

* Car radio/TV market shown is serviceable portion only

2008

Microtune Revenue and Market Share Revenue Contribution by Market

Market Share Estimates

Cable Modem/Telephony

34 %

18 %

Cable Set-Top Box

31 %

37 %

PC-TV

2%

9%

TV and Digital TV

6%

14 % (ATSC/U.S.)

Car TV

8%

Car AM/FM Radio

7%

All Other Markets

12 %

Revenue Contribution by Market and Market-Share Estimates are as of 10-25-05 and should not be viewed as an indicator of future performance; actual results may vary materially from these estimates 9

Primary Opportunities for Growth

Tuner Units Shipped

350,000,000 300,000,000 250,000,000 Mobile TV

200,000,000

DTV 150,000,000

Cable

100,000,000 50,000,000 0 2005

10

2006

2007

2008

Strategic Relationships Provide Customers the Complete Solution Š Relationships with leading demodulator suppliers who enjoy strong market position in key segments Cable and VoIP Modems DVB-C/DVB-T Set-Top Boxes PC-TV and ATSC Digital TV DVB-H Handheld TV Š Complementary tuner/demodulator technologies combined in solutions that accelerate deployment of next-generation consumer appliances Š Company positioned to meet the requirements of mutual customers with advanced, cost-efficient solutions 11

Key Market Driver: Transition to Digital Is Worldwide The Digital TV Standards Landscape Today

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Key Market Driver: Transition to Digital Is Worldwide The Digital TV Standards Landscape Today

ATSC

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Key Market Driver: Transition to Digital Is Worldwide The Digital TV Standards Landscape Today

ATSC DVB-T

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Key Market Driver: Transition to Digital Is Worldwide The Digital TV Standards Landscape Today

ATSC DVB-T ISDB-T DMB-T or ADTB-T

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Key Market Driver: Transition to Digital Is Worldwide The Digital TV Standards Landscape Today

ATSC DVB-T ISDB-T DMB-T or ADTB-T DVB-H (Mobile TV) 16

Key Market Driver: Convergence of Multiple Digital Functions on Consumer Appliances In Cable Market, Growing Demand for Watch-and-Record Functionality Requires High-Performance Multi-tuner Architecture Multi-Tuner RF Front-End New Functions Diplexer Amplifier

MT2060

Picture-in-Picture

MT2121

Watch and Record

Splitter

Demods MT2121 From Upstream Modulator

MicroStreamer MT1550 Tuners

MT2060 = Digital Cable Tuner MT2121 = High Performance Analog/Digital Cable Tuner

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MPEG Encoders/ Hard Decoders Drives

Internet Access On-Demand Programming Home Networking

Key Market Driver: Portability on New Breed of Digital TV Devices Digital TV on a Portable DVD Player Play movies, listen to CDs, and watch TV on a portable platform Digital TV on a Multimedia Entertainment PC Enjoy TV, CD player, DVD recorder and PC in one versatile mobile entertainment platform. Digital TV on a Cell Phone Watch multi-channel broadcast TV with full-motion digital pictures and CD-quality sound on handheld devices Digital TV ‘Tuner on a Stick’ Watch high-quality DVB-T digital TV on PCs using a very small, portable, USB tuner stick

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How Does Our Technology Fit In: DVB-H Technology for Mobile Phones EU: 470 MHz – 702 MHz US: 1670 MHz – 1675 MHz Antenna

PA Reject Filter

DVB-H Tuner (SiGe)

DVB-H Demod (CMOS)

Applications Processor (CMOS)

New Components Needed for DVB-H TV Camera Phone

Š Antenna, filter, tuner, and demod needed to add DVB-H TV feature Š Applications Processor already used in phones today Š Tuner and demod are most costly items 19

Family of Ultra-Low Power Mobile MicroTuners for DVB-H Handsets ™

Š MT2260 – 1st multi-band DVB-H tuner – UHF and L-band for European and U.S. markets MT2260 Multi-Band and MT2262 L-Band DVB-H Tuners

Š MT2262 – 1st Dedicated L-band DVB-H tuner • Low-cost solution for U.S. market • Pin-compatible to multi-band MT2260 Š Low cost, small footprint – Integrated low noise amplifier; No balun required - very small footprint Š Patented ClearTune technology enables real-world performance ™

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Tuners Span Application, Price/ Performance and Low-Power Spectrum Market Requires Broad Product Offering Handheld DVB-H (L-Band) Handheld DVB-H (Multiband) Digital/Analog PCTV MicroTuner Patented Tuner Architecture

Digital TV (DVB-T) Cable Modem

Digital PC-TV Advanced Digital Cable

Digital Cable

Digital / Analog Cable – U.S. STB Multi-Tuner Set-top Box Analog/Digital Low Power Digital Ultra Low Power Digital High Performance Analog/Digital 21

Digital Cable Ready TV Digital TV (ATSC)

Tuners: Top Competitive Threats M - Modules S - Silicon

Set-Top Box

Cable Telephony

Alps

M M

M M

Broadcom

S S

S S

Captive

M M

Panasonic

M M

Philips Philips Semi Freescale, others

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Cable Modem

HDTV

PC-TV

Car TV

Handheld TV

M M

M M

M M

M M

S S

S S

S S S S

Key Microtune Differentiators Š RF engineering heavyweight – 80% of technical team experienced in RF – Expertise in multi-tuner architectures ‘Centers for RF Excellence’ provide sophisticated and specialized RF equipment and resources

– Applications and Support engineering (3:1 ratio of IC to systems designers – Local support: Europe, China, Taiwan, Japan and Korea Š Market-proven technology – Invented single-chip silicon TV tuner technology; 56 U.S. patents – Only single-chip silicon TV tuner with broad market acceptance

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Recent Milestone Announcements Š ARRIS’ New-Generation Cable Telephony Modems Deploy Microtune’s Low-Power Silicon Tuner Š Thales Selects Microtune Tuner for In-Flight Entertainment Systems Š Microtune's Mobile TV Tuner Used in Live DVB-H Broadcast Demonstration at Intel Developer Forum Š Microtune's Silicon Tuners Deployed in ADB-Designed Dual-Tuner Digital Video Recorder Set-Top Box Š Microtune Ships 20-Millionth Single-Chip Silicon TV Tuner Š Microtune's MT2060 Low-Power Silicon Tuner Deployed in Pinnacle's USB Mini TV Tuner/PVR Š Microtune Expands Mobile TV Tuner Family with New Silicon Tuner Dedicated for U.S. DVB-H Market 24

Financial Overview – P&L 4Q04

1Q05

2Q05

3Q05

Revenue ($M)

$15.4

$12.2

$13.5

$16.4

Gross Margin %

46%

52%

57%

50%

($2.1)

($2.0)

($0.6)

$0.4

North America

44%

44%

30%

34%

Europe

14%

18%

19%

14%

Asia Pacific

40%

38%

51%

52%

Other

2%

--

--

--

Silicon

57%

71%

73%

78%

Modules

43%

29%

27%

22%

2 (32%)

2 (37%)

4 (57%)

2 (47%)

67%

72%

79%

82%

Net Income (Loss) ($M) Revenue Details:

10 Percent Customers Top 10 Customers 25

Financial Overview – Balance Sheet & Other 4Q04

1Q05

2Q05

3Q05

Cash & Investments ($M)

$82.6

$78.1

$77.9

$80.3

Accounts Receivable ($M) DSO’s (Days)

$5.7 34

$6.2 46

$6.1 40

$7.3 40

Inventory ($M) Turns (Annualized)

$7.1 4.7

$6.2 3.7

$8.0 2.9

$6.5 5.0

--

--

--

--

Quick Ratio Current Ratio

15.4 9.3

19.2 11.3

15.6 11.2

17.2 11.1

Employees (end of quarter)

164

169

172

174

Long-Term Debt ($M)

26

Industry-Leading Companies Rely on Microtune RF Technology

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