ANALYST MEETING PRESENTATIONAug 10, 2017

DISCLAIMER

2

The following presentation may contain forward looking statements by the Management Team of Thai Optical Group Public Company Limited (the Company), related to financial or other tendency for future periods, compared with the results for previous periods.

Some of the statements contained in this presentation that are not historical facts but itare statements of future estimations with respect to the financial conditions, results ofoperations and businesses, and related plans and objectives. Disclaimer information isbased on management’s current views and assumptions including, but not limited to,prevailing economic and market conditions. These statements involve known andunknown risks and uncertainties that could cause actual results, performance or eventsto differ materially from those in the statements as originally made. Such statements arenot, and should not be constructed as a representation as to future performance of theCompany. In addition, such statements should not be regarded as a forecast orprojection of future performance of the Company. It should be noted that the actualperformance of the Company may vary significantly from such statements in thispresentation.

AGENDA

Strictly confidential 3

1. Q2/2017 Results

2. Status of Rx Automation Project

3. TOG USA, Inc.

4. Q&A

AGENDA 1Q2/2017 Results

Unit: THB million Q2/2016 Growth Q2/2017

Revenue from sales and services 441 +8.0% 477

Gross profits 92(20.8%)

+4.6% 96(20.1%)

Net Income 33(7.5%)

-14.2% 28(5.9%)

EBIT 43(9.7%)

-16.4% 36(7.5%)

EBITDA 80 (18.1%)

-5.3% 74(15.6%)

Q2/2017 RESULTS

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Unit: THB million 1H/2016 Growth 1H/2017

Revenue from sales and services 965 -3.5% 931

Gross profits 241(25.0%)

-8.8% 220(23.6%)

Net Income 108(11.2%)

-30.6% 75(8.1%)

EBIT 137(14.2%)

-32.2% 93(10.0%)

EBITDA 211(21.9%)

-20.4% 168(18.1%)

1H/2017 RESULTS

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EUROPE SALES WAS PICKED UP IN Q2

110 108 26 22 27

2015 2016 Q2/15 Q2/16 Q2/17

797 774

203 176 213

2015 2016 Q2/15Q2/16Q2/17

Australia and New Zealand

Asia Pacific

Europe

America

Unit: THB million% represents share of total sales for each region

Middle East and Africa

Strictly confidential 7

337 397

60 88 79

2015 2016 Q2/15Q2/16Q2/17

9 7 3 2 2

2015 2016 Q2/15 Q2/16 Q2/17571 648

110 153 156

2015 2016 Q2/15Q2/16Q2/17

EUROPE SALES WAS AT 2015 LEVEL

110 108 55 65 45

2015 2016 1H15 1H16 1H17

797 774

395 361 389

2015 2016 1H15 1H16 1H17

Australia and New Zealand

Asia Pacific

Europe

America

Unit: THB million% represents share of total sales for each region

Middle East and Africa

Strictly confidential 8

337 397 137 204 157

2015 2016 1H15 1H16 1H17

9 7 5 3 4

2015 2016 1H15 1H16 1H17571 648

275 332 336

2015 2016 1H15 1H16 1H17

EUROPE SALES WAS PICKED UP IN Q2

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46.2% 43.7% 40.0%50.5%

39.9% 44.7%

31.4% 31.3% 33.5%27.4%

34.7% 32.7%

14.7% 19.0% 20.9% 15.7% 20.4% 17.0%7.6% 6.0% 5.6% 6.5% 5.0% 5.7%

2015 2016 2017E Q2/15 Q2/16 Q2/17

America

Asia/Africa

ANZ

Europe

SIGNIFICANT HIGHER % FROM EUROPE

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46.2% 43.7% 40.0% 45.6% 37.4% 41.8%

31.4% 31.3% 33.5%31.7%

34.4%36.1%

14.7% 19.0% 20.9% 16.4% 21.5% 17.3%7.6% 6.0% 5.6% 6.3% 6.7% 4.8%

2015 2016 2017E 1H15 1H16 1H17

America

Asia/Africa

ANZ

Europe

SIGNIFICANT HIGHER SALES OF STANDARD

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34.6% 34.1% 32.0% 33.1% 31.7% 38.4%

33.5% 30.7% 37.6% 36.3% 31.7% 24.9%

26.1% 28.5% 25.4% 25.1% 29.5% 27.5%

5.8% 6.7% 5.1% 5.5% 7.0% 9.2%

2015 2016 2017E Q2/15 Q2/16 Q2/17

Others

Rx

Value-added

Standard

High value-added20-30% margin

Low value-added10-20% margin

140183

140119

130131

3144441477

Q2/16 Q2/17

Others

Rx

Value-added

Standard

KEY DRIVER FOR STANDARD IS NEW PRODUCTS

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% STANDARD SALES WAS AT 2015 LEVEL

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34.6% 34.1% 32.0% 33.7% 31.7% 33.4%

33.5% 30.7% 37.6% 33.3% 33.0% 27.1%

26.1% 28.5% 25.4% 27.1% 28.4% 30.8%

5.8% 6.7% 5.1% 5.9% 6.9% 8.7%

2015 2016 2017E 1H15 1H16 1H17

Others

Rx

Value-added

Standard

High value-added20-30% margin

Low value-added10-20% margin

KEY ISSUES OF CASTING BUSINESS

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• Mold quality issues (Q2: THB 11 mil, YTD: THB 24 mil)– Recently migrated mold production unit in Jan 2017 was in ramp-up capacity and

adjusting its output quality to meet the standard specification.– Unexpected incident of mold damages at casting production units.

HISTORICAL QUARTERLY FINANCIALS

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380 413 409 428

485 464 428

454 465

402

459 498

523

442 428

541

454 477

75 87 94 87 127 113 93 110 93 87

135 116 150

92 107 136 124

96

18 46 47 39

68 55 37 44 42 41 91

56 75 33 51

92 47 28

Q1/

13

Q2/

13

Q3/

13

Q4/

13

Q1/

14

Q2/

14

Q3/

14

Q4/

14

Q1/

15

Q2/

15

Q3/

15

Q4/

15

Q1/

16

Q2/

16

Q3/

16

Q4/

16

Q1/

17

Q2/

17

Sales Gross Profit Net Profit

Unit: THB million

YEAR-ON-YEAR Q2 FINANCIALS

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413 464

402 442

477

87 113

87 92 96

46 55 41 33 28

Q2/13 Q2/14 Q2/15 Q2/16 Q2/17

Sales Gross Profit Net Profit

Unit: THB million

AGENDA 2Status of Rx Automation Project

RX AUTOMATION PROJECT UPDATE

Strictly confidential 18

• All machines and equipment have been installed and currently running at full capacity for testing purpose.

• Official commencement of operation is set on 1 Oct 2017 to obtain full tax privileges.

• An application of the additional 2-year corporate tax exemption from investment in automation will be filed after the official commencement of operation.

AGENDA 3TOG USA, Inc.

PROGRESS OF TOG USA, INC.

Strictly confidential 20

• Our business process is expected to be ready for operation in early Oct 2017.

• From the commencement of operation until the end of 2017, TOG USA, Inc. will ensure the service level and minimal mishandling/human errors.

AGENDA 4Q&A

THAI OPTICAL GROUP PCL.

Head Office15/5 Moo 6 Bangbuathong-Suphanburi Rd. LaharnBangbuathong, Nonthaburi, Thailand 11110Tel: (+66) 02 194 1145 to 1146

Sales and Customer Service77/141-142, 33rd Fl. Sinn Sathorn Tower,Krungthonburi Rd. Klongtonsai, KlongsanBamgkok, Thailand 10600Tel: (+66) 02 440 0506 to 0507