bëst in test.

For adding something on top of services and network connectivity in and reaching an overall score of 946 dots in the annual umlaut benchmarking survey we proudly award this certificate to

A1 Hrvatska d.o.o.

Score 946 of 1000 in Total Score 316 of 320 in Voice Services Score 458 of 480 in Data Services Score 172 of 200 in Crowdsourced Quality

Hakan Ekmen Chief Executive Officer Telecommunication umlaut umlaut certifi cate umlaut certifi cate

Measurement Overview Measurement setup

Drivetest Voice Data

Device Samsung Galaxy S9 Samsung Galaxy S9 umlaut communications GmbH tested and measured the Test Cases Mobile-to-Mobile (M2M) Data preferred CA Side1 (VoLTE) to Side2 (VoLTE) HTTP DL datastream 7s performance of its voice and data services on smart- 115 sec call window HTTP UL datastream 7s phones in comparison to other LTE/UMTS/GSM mobile 70 sec call duration HTTP 5MB DL fi xed fi le transfer 15 sec call setup timeout HTTP 2.5MB UL fi xed fi le transfer radio networks in metropolitan and rural areas of Croatia. Multi- traff ic injection on both sides Web Browsing - Kepler ETSI Ref. Page The audit was done as a performance benchmark 10 Live web pages (20% http / 80% https) 3 YouTube HD video ~ 45s performed by umlaut communications between 4G/4G preferred mode on both sides, while call origin has Mobility and Drive test 100% 09.05.2019 and 20.05.2019 in cities and towns as well as been alternated. Route Types 58% in Cities, 17 % in Towns and 25% on Roads on connection roads. In addition crowdsourced performance data has been Samples ~ 1880 per Operator ~ 1610 per Operator Dedicated measurements have been executed as drive collected and evaluated between CW47 2018 and CW18 Dates 10 measurement days tests outdoors using a Samsung Galaxy S9 cat16 Smart- 2019. 09.05.2019 – 20.05.2019 phone 1000 Mbit/s Download / 105 Mbit/s Upload. The following pages provide a comparative overview ab- Crowd Data 24 weeks All data measurements have been performed in 4G out the performance results observed for the Assessment CW47 2018 – CW18 2019 preferred mode. Voice measurements have been done in different tested service types.

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Testing areas Testing areas

Drive route Crowdsourcing tested area

Zagreb Osijek

Rijeka

Slavonski Brod Pula

Zadar

Split

5182 km2 size of tested area

4620 km 36 % 88 % 36 % measuring distance of population measured of populated areas Urban of populated areas Non-Urban

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Testing areas

Crowdsourcing tested area

A1 Hrvatska Operator 2 Operator 3

The own network view is based on the territory selection of all valid evaluation areas for each operator. A1 Hrvatska on the left, next to Operator 2 in the middle and Operator 3 on the right.

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Claims Methodology

The leader in mobile benchmarking, umlaut, has analyzed the mobile networks of Croatia with regards to mobile Best in test network performance. We measure smartphone voice and data performance based on extensive drive-tests – from A1 Hrvatska major metropolitan areas to smaller cities and connection roads. We objectively define the routes and test methodolo- gy and publish the results through certificates or public benchmark reports. cedented in its level of detail and enables comparisons As the de-facto industry standard, our benchmarking me- between the network performance and capability of each thodology focuses on customer-perceived network quality mobile network. Our public benchmarks as well as the Best in voice and covers a wide range of mobile services. certificate benchmarks help network operators to demon- A1 Hrvatska Today, more than 200 mobile networks in more than strate how well they are delivering connections to 120 countries are being evaluated by our unique scoring consumers, business users and enterprises and reveals the methodology. It allows a technical analysis that is unpre- areas of improvement.

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Score and breakdown

A1 Hrvatska achieved the highest overall score among competitors with 946 dots out of maximum 1000.

Total score

Total Score A1 Hrvatska Operator 2 Operator 3 1000 Points 946 938 Voice max. 320 316 304 203 Cities Drivetest 192 99% 96% 66% Towns Drivetest 64 100% 93% 76% 751 172 175 Crowd Roads Drivetest 64 97% 94% 43% max. 200 Data max. 480 458 459 396 152 Cities Drivetest 288 95% 97% 85% Towns Drivetest 96 97% 92% 83% Roads Drivetest 96 96% 95% 74% Data max. 480 Crowdsourced Quality max. 200 172 175 152 Crowd 200 86% 87% 76% 458 459 Total 1000 946 938 751 396 Shown scores are rounded. Voice max. 320

316 304 203 Shown total scores are rounded. Operator A1 Hrvatska Operator 2 Operator 3

The graphic indicates the score points achieved by the networks under test in the modules “Voice”, “Data Services” and “Crowdsourced Quality”.

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The following table indicates the achieved percentage of the maximum score in each of the diff erent data services. The following table indicates the achieved percentage of the maximum score in each of the diff erent data services.

Data Service Group max A1 Hrvatska Operator 2 Operator 3 Crowd Service Group max A1 Hrvatska Operator 2 Operator 3 Web Browsing 64 95% 98% 94% Country Operational Excellence 60 100% 93% 93% File Download 80 95% 97% 77% Voice Coverage 13 98% 99% 95% Cities File Upload 80 95% 98% 91% Data Coverage 17 98% 96% 99% YouTube 64 93% 96% 79% Urban 4G Coverage 29 85% 92% 64% Web Browsing 21,3 97% 98% 91% DL Data Speed 17 49% 58% 29% File Download 26,7 99% 89% 77% UL Data Speed 8 53% 50% 46% Towns File Upload 26,7 96% 90% 78% Voice Coverage 13 98% 99% 95% YouTube 21,3 96% 91% 87% Data Coverage 17 98% 96% 99% Non-urban Web Browsing 21,3 98% 98% 80% 4G Coverage 29 85% 92% 64% (Benchmark view) File Download 26,7 99% 98% 74% DL Data Speed 17 49% 58% 29% Roads File Upload 26,7 92% 90% 69% UL Data Speed 8 53% 50% 46% YouTube 21,3 94% 93% 72% Voice Coverage 2 100% 99% 100% Data Coverage 2 100% 99% 99% Non-urban 4G Coverage 4 96% 94% 75% (Own network view) DL Data Speed 2 41% 59% 10% UL Data Speed 1 28% 27% 28%

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Hakan Ekmen · Chief Executive Officer Telecommunication cell +49 151 571 33 235 · [email protected] www.umlaut.com