Statistics

Data Quality Scores

London Stock Exchange | Data Quality Report | June 2019

LEI Issuer Total Data Quality Score LEI Issuer Total Data Quality Score Trend

LEI Issuer Data Quality ( ) against LEI Pool Average ( )

The LEI Issuer Total Data Quality Score is calculated as the equal weightedaverage of the 11 ‘Data Quality Criteria’.

Progress achieved with regard to the continuous optimization of the dataquality based on the LEI Issuer Total Data Quality Score.

Data Quality in Covered Countries

Quality Maturity Level

100%

75%

JunMayApr

99.99 % 99.99 %99.99 %

DISCLAIMER: All figures of this LEI Data Quality Report are derived from these sources: 1) Global Legal Entity Identifier Foundation (GLEIF) Concatenated end-of-month files for all months mentionedin this report and 2) the Data Quality Reports for the reported month based on the LEI-Data-Quality-Check Specification v2.1.4. While every care has been taken in the compilation of thisinformation, GLEIF will not be held responsible for any loss, damage or inconvenience caused as a result of inaccuracy or error within the LEI Data Quality Report. The text and graphic content of theLEI Data Quality Report may be used, printed and distributed ONLY with the copyright information displayed (© Copyright Global Legal Entity Identifier Foundation (GLEIF)).

JunMayAprMarDec JanNov FebAug SepJul OctJun

100%0%

99 %

100%

<90%

MayJun # Checks # Failed Records

The Data Quality criteria is expected to contain 12 dimensions. Currently a subset of 11criteria is implemented, to the detriment of the score, as they are averaged on all ofthem. This is expected to change, on a nonfixed timeline, to include all 12 dimensions.

Data Quality Criteria

Active entities managed

1,150 (-10.99 %)

Challenges this month

Inactive entities managed

Managed LEIs

13,344 (+11.38 %)

Values

LEIs with complete parent information

21 (-12.50 %)

171,822 (+0.36 %)

502 (+1.41 %)

Duplicate percentage of managed LEIs < 1 % (+1.04 %)

LEIs with LEI parent relationships

2 (-33.33 %)

Level 2 Info

179 (+/-0 %)

Totals

New lapsed LEIs *

168,317 (+0.33 %)

3 (-57.14 %)

3,505 (+1.85 %)

Values

ValuesChallenges

Covered countries

Total LEIs marked as duplicate **

Duplicates found this month

** RegistrationStatus = DUPLICATE

168,245 (+0.34 %)

Values

Duplicates

* Please see our Business Report www.gleif.org/business-reportsfor detailed information around lapsed LEIs.

Updates to entity information this month

Files Values

30 / 30 (+3.33 %)No. of days per month with CDF-compliant file uploads

L3 Excellent qualityL2 Expected qualityL1 Required quality

C000262

C000282

Relationships’ NextRenewalDate (date portion) is...

There is no repetition of the same LEI code with ...

# Failed Records

12 The Legal Form in the name, matches the ELF C...

C000263

Check description

3 They must be managed by the same LOU that m...

C000291 34

Top 5 Failing Checks

If the ultimate parent is public: The ultimate par...

2

C000180 7

99.99 %

100.00 %

100.00 %

3

99.99 %

100.00 %

100.00 %

99.99 %

Representation

100.00 % 0 (0 %)

100.00 %

37 (0.02 %)

Accuracy

1

99.99 % 2

2

Completeness

100.00 %

100.00 %Integrity

0 (0 %)

Currency

Comprehensiveness 100.00 %

Provenance

Uniqueness

0 (0 %)8

12 (< 0.01 %)

15

2 (< 0.01 %)99.99 %

0 (0 %)

Consistency

18

99.99 % 8 (< 0.01 %)

100.00 %

1

2

0 (0 %)

99.99 %

Validity

21

99.99 %

99.99 %

100.00 %

100.00 %

Accessibility

2

0 (0 %)

0 (0 %)

100.00 %