RF Exposure Part 3

FCC ID: AZ489FT7117

RF Exposure Info

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FCCID_3979109

EX3DV4— SN:3857 May 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3857 Calibration Parameter Determined in Body Tissue Simulating Media Relative Conductivity Depth ° Une f(MHz)° |_Permittivity" (S/m)" ConvFX ConvF Y¥ ConvFZ Aipha® _(mm) (Kk=2) 750 565.5 0.96 9.70 9.70 9.70 0.47 0.84 #12.0 % 835 565.2 0.97 9.49 9.49 9.49 0.42 0.80 + 12.0 % 1750 53.4 1.49 8.15 8.15 8.15 0.42 0.85 + 12.0 % 1900 53.3 1.52 7.82 7.82 7.82 0.34 0.95 + 12.0 % 2300 52.9 1.81 7.66 7.66 7.66 0.43 0.85 + 12.0 % 2450 52.7 1.95 7. 42 7.A42 7. 42 0.36 0.93 * 12.0 % 2600 52.6 216 7.38 7.38 1.38 0.31 0.95 + 12.0 % 3500 51.3 5.31 6.77 6.77 6.77 0.25 1.25 %13.1 % 3700 51.0 3.65 6.71 6.71 6.71 0.35 1.20 x 13.1 % 5250 48.9 5.36 4.40 4.40 4.40 0.50 1.90 * 13.1 % 5600 48.5 5.77 3.98 3.98 3.98 0.50 1.90 *13.1 % 5750 48.3 5.94 4.31 4.31 4.31 0.50 1.90 + 13.1 % © Frequency validity above 300 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency validity can be extended to + 110 MHz. " At frequencies below 3 GHz, the validity of tissue parameters (s and 0) can be relaxed to + 10% if liquid compensation formula is applied to measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and 0) is restricted to + 5%. The uncertainty is the RSS of the ConvF uncertainty for indicated target tissue parameters. © Alpha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is always less than + 1% for frequencies below 3 GHz and below + 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip diameter from the boundary. Certificate No: EX3—3857_May18 Page 6 of 11

EX3DV4— SN:3857 May 31, 2018 Frequency Response of E—Field Frequency response (normalized) (TEM—Cell:ifi110 EXX, Waveguide: R22) L®] Le] Tem R22 Uncertainty of Frequency Response of E—field: £ 6.3% (k=2) Certificate No: EX3—3857_May18 Page 7 of 11

EX3DV4— SN:3857 May 31, 2018 Receiving Pattern (¢), 9 = 0° f=600 MHz,TEM f=1800 MHz,R22 90 + * + » — -l +— + w . + e = a ‘\- — w #s « 135 * » & * 45 135," ¥ *.45 ¢ a—+ ® /. * 0Cs * a * * "’l 4 » * * g * # $ * + « ® & « + + i 5 x $ * # € | * + 4 + *4 J 9 ® 2+ k i . tss * « * & +. ‘o‘ i® u giog | + § s e % C + | / 180 * s 2o¥ Cld «0 180 #« * Aecc® is #" y 0m. o4 .0% 08 | j Fik 2t+5 fh . *o%, o4 og 0\os & |O*% y* Z® ® « } “- >. + * * a t ¥ k.+ t ‘x—* * « + / & t + n * 1 * t + & & i e t & & | 3 & * % \ * % & » w * * & & * f » % * a * * 8 * * # y ¥ * * id ® * y x 225 ~« x * w‘ 315 225N. * 7315 a + Wie . 4 .¥ ho ,»— * _ »— « » Cooideg , s * + Exgces Chrecls 270 3 ~"« e * @_ h #| [&_ Tot X Y Z Tot X Y 3 to ic> 6 F LU i i ii i ii ii ii ii i1 i i i i i 1 1 =(J § —]ecn ces nenn n fen en n en en n en en n en den en n n n en en n en en n n n n benn en n en n en n n n en n en d en n en n en n en en n n en ncen en n en en n en n en en en d en en n n en n n en en n en n de n n n n n en en + i i i i i -1|1111|i|||||| —150 ~100 —50 100 &HZ 600 MHz 1800_@]MHz 2500LoMHz Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2) Certificate No: EX3—3857_May18 Page 8 of 11

EX3DV4— SN:3857 May 31, 2018 Dynamic Range f(SARpneaq) (TEM cell , feyai= 1900 MHz) 1057 3 5& 1047 G C .D & B 2 € 10+ 102 102 10 10° 101 102 10 SAR [mW/cm3] not compensated compensated m o4 5 m l2 | | , PbOb | l \ DP PPB 102 101 109 101 102 103 — SAR [mW/cm3] L+] not compensated compensated Uncertainty of Linearity Assessment: £ 0.6% (k=2) Certificate No: EX3—3857_May18 Page 9 of 11

EX3DV4— SN:3857 May 31, 2018 Conversion Factor Assessment f= 835 MHz,WGLS RQ (H_convF) f= 1900 MHz,WGLS R22 (H_convF) . | 35— 40— | | 58 | i 30 C\ C 04 "-,\ } 25 \, L R .l. ; 25| ! g 20— .hr & s || $b & 20 2 c | m 4o ! | $ 35 116| | | 1 10 1.0 | * 0.5:' 4 ~—s...| in 00' ; 1 A—— 1 AI 1 1 1 0 11 7‘ 1 L 1. _ L .,,1’:_1147 —“ o 5 10 1 20 25 30 35 40 0 5 10 1 20 25 30 3 40 c« z [mm] 3 "at z {mm] €© analytical measured analytical measured Deviation from Isotropy in Liquid Error (¢, 8), f = 900 MHz Allll \\\— Deviation a l\ “‘l“ —1.0 —0.8 —0.6 —0.4 —0.2 0.0 0.2 0.4 0.6 0.8 1.0 Uncertainty of Spherical Isotropy Assessment: £ 2.6% (k=2) Certificate No: EX3—3857_May18 Page 10 of 11

EX3DV4— SN:3857 May 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3857 Other Probe Parameters Sensor Arrangement Triangular Connector Angle (°) —42 4 Mechanical Surface Detection Mode enabled Optical Surface Detection Mode disabled Probe Overall Length 337 mm Probe Body Diameter 10 mm Tip Length 9 mm Tip Diameter 2.5 mm Probe Tip to Sensor X Calibration Point 1 mm Probe Tip to Sensor Y Calibration Point 1 mm Probe Tip to Sensor Z Calibration Point 1 mm Recommended Measurement Distance from Surface 1.4 mm Certificate No: EX3—3857_May18 Page 11 of 11

Calibration Laboratory of S7 S Schweizerischer Kalibrierdienst 8 )§ Schmid & Partner M C Service suisse d‘étalonnage Engineering AG Servizio svizzero di taratura S wl II/’I Zeughausstrasse 43, 8004 Zurich, Switzerland AZ r~ NP Swiss Calibration Service //"Illlll\‘\\\ Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Client Sporton (Auden) Certificate No: EX3-3954_Jan 18 CALIBRATION CERTIFICATE Object EX3DV4 — SN:3954 Calibration procedure(s) QA CAL—01.v9, QA CAL—14.v4, QA CAL—23.v5, QA CAL—25.v6 Calibration procedure for dosimetric E—field probes Calibration date: January 31, 2018 This calibration certificate documents the traceability to national standards, which realize the physical units of measurements (S1). The measurements and the uncertainties with confidence probability are given on the following pages and are part of the certificate. All calibrations have been conducted in the closed laboratory facility: environment temperature (22 + 3)°C and humidity < 70% . Calibration Equipment used (M&TE critical for calibration) Primary Standards ID Cal Date (Certificate No.) Scheduled Calibration Power meter NRP SN: 104778 04—Apr—17 (No. 217—02521/02522) Apr—18 Power sensor NRP—291 SN: 103244 04—Apr—17 (No. 217—02521) Apr—18 Power sensor NRP—291 SN: 103245 04—Apr—17 (No. 217—02525) Apr—18 Reference 20 dB Attenuator SN: S5277 (20%) 07—Apr—17 (No. 217—02528) Apr—18 Reference Probe ES3DV2 SN: 3013 30—Dec—17 (No. ES3—3013_Dec17) Dec—18 DAE4 SN: 660 21—Dec—17 (No. DAE4—660_Dec17) Dec—18 Secondary Standards ID Check Date (in house) Scheduled Check Power meter E4419B SN: GB41293874 06—Apr—16 (in house check Jun—16) In house check: Jun—18 Power sensor E4412A SN: MY41498087 06—Apr—16 (in house check Jun—16) In house check: Jun—18 Power sensor E4412A SN: 000110210 06—Apr—16 (in house check Jun—16) In house check: Jun—18 RF generator HP 8648C SN: US3642U01700 04—Aug—99 (in house check Jun—16) In house check: Jun—18 Network Analyzer HP 8753E SN: US37390585 18—Oct—01 (in house check Oct—17) In house check: Oct—18 Name Function Signature Calibrated by: Leif Klysner Laboratory Technician SfTp Approved by: Katja Pokovic Technical Manager NedPX Issued: February 1, 2018 This calibration certificate shall not be reproduced except in full without written approval of the laboratory. Certificate No: EX3—3954_Jan18 Page 1 of 11

Cahbratlon Laboratory of \\\“\‘y’fl’/@ § Schweizerischer Kalibrierdienst Schmid & Partner SE\\\\:&EI IE//H": _ Service suisse d‘étalonnage Engineering AG Tz yy 5 Servizio svizzero di taratura Zeughausstrasse 43, 8004 Zurich, Switzerland {’/"/,fi\\\‘\\} Swiss Calibration Service Accredited by the Swiss Accreditation Service (SAS) Accreditation No.: SCS 0108 The Swiss Accreditation Service is one of the signatories to the EA Multilateral Agreement for the recognition of calibration certificates Glossary: TSL tissue simulating liquid NORMx,y,z sensitivity in free space ConvrF sensitivity in TSL / NORMx,y,z DCP diode compression point CF crest factor (1/duty_cycle) of the RF signal A, B, C, D modulation dependent linearization parameters Polarization rotation around probe axis Polarization 8 8 rotation around an axis that is in the plane normal to probe axis (at measurement center), i.e., 8 = 0 is normal to probe axis Connector Angle information used in DASY system to align probe sensor X to the robot coordinate system Calibration is Performed According to the Following Standards: a) IEEE Std 1528—2013, "IEEE Recommended Practice for Determining the Peak Spatial—Averaged Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques", June 2013 b) IEC 62209—1, ", "Measurement procedure for the assessment of Specific Absorption Rate (SAR) from hand— held and body—mounted devices used next to the ear (frequency range of 300 MHz to 6 GHz)", July 2016 c) IEC 62209—2, "Procedure to determine the Specific Absorption Rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz)", March 2010 d) KDB 865664, "SAR Measurement Requirements for 100 MHz to 6 GHz" Methods Applied and Interpretation of Parameters: NORMx,y,z: Assessed for E—field polarization 8 = 0 (f < 900 MHz in TEM—cell; f > 1800 MHz: R22 waveguide). NORMx,y,z are only intermediate values, i.e., the uncertainties of NORMx,y,z does not affect the E—field uncertainty inside TSL (see below ConvF). NORM(F)x,y,z = NORMx,y,z * frequency_response (see Frequency Response Chart). This linearization is implemented in DASY4 software versions later than 4.2. The uncertainty of the frequency response is included in the stated uncertainty of ConvF. DCPx,y,z: DCP are numerical linearization parameters assessed based on the data of power sweep with CW signal (no uncertainty required). DCP does not depend on frequency nor media. PAR: PAR is the Peak to Average Ratio that is not calibrated but determined based on the signal characteristics Ax,y,z; Bx,y,z; Cx,y,z; Dx,y,z; VRx,y,z: A, B, C, D are numerical linearization parameters assessed based on the data of power sweep for specific modulation signal. The parameters do not depend on frequency nor media. VR is the maximum calibration range expressed in RMS voltage across the diode. ConvrF and Boundary Effect Parameters: Assessed in flat phantom using E—field (or Temperature Transfer Standard for f < 800 MHz) and inside waveguide using analytical field distributions based on power measurements for f > 800 MHz. The same setups are used for assessment of the parameters applied for boundary compensation (alpha, depth) of which typical uncertainty values are given. These parameters are used in DASY4 software to improve probe accuracy close to the boundary. The sensitivity in TSL corresponds to NORMx,y,z * ConvF whereby the uncertainty corresponds to that given for ConvF. A frequency dependent ConvF is used in DASY version 4.4 and higher which allows extending the validity from + 50 MHz to + 100 MHz. Spherical isotropy (3D deviation from isotropy): in a field of low gradients realized using a flat phantom exposed by a patch antenna. Sensor Offset: The sensor offset corresponds to the offset of virtual measurement center from the probe tip (on probe axis). No tolerance required. Connector Angle: The angle is assessed using the information gained by determining the NORMx (no uncertainty required). Certificate No: EX3—3954_Jan18 Page 2 of 11

EX3DV4 — SN:3954 January 31, 2018 Probe EX3DV4 SN:3954 Manufactured: August 6, 2013 Calibrated: January 31, 2018 Calibrated for DASY/EASY Systems (Note: non—compatible with DASY2 system!) Certificate No: EX3—3954_Jan18 Page 3 of 11

EX3DV4— SN:3954 January 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3954 Basic Calibration Parameters Sensor X Sensor Y Sensor Z Unc (k=2) Norm (uV/(V/m))* 0.54 0.44 0.53 +10.1 % DCP (mVv)" 99.0 101.1 97.0 Modulation Calibration Parameters UID Communication System Name A B C D VR Unc® dB dBvuV dB mV (k=2) 0 CW xX 0.0 0.0 1.0 0.00 149.4 +3.0 % Y 0.0 0.0 1.0 139.2 Z 0.0 0.0 1.0 146.5 The reported uncertainty of measurement is stated as the standard uncertainty of measurement multiplied by the coverage factor k=2, which for a normal distribution corresponds to a coverage probability of approximately 95%. * The uncertainties of Norm X,Y,Z do not affect the E*—field uncertainty inside TSL (see Pages 5 and 6). ® Numerical linearization parameter: uncertainty not required. & Uncertainty is determined using the max. deviation from linear response applying rectangular distribution and is expressed for the square of the field value. Certificate No: EX3—3954_Jan18 Page 4 of 11

EX3DV4— SN:3954 January 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3954 Calibration Parameter Determined in Head Tissue Simulating Media Relative Conductivity Depth ° Unce f (MHz)° |_Permittivity" (S/m)" ConvF X ConvF Y ConvFZ Alpha® _(mm) (k=2) 750 41.9 0.89 10.72 10.72 10.72 0.29 111 +12.0 % 835 41.5 0.90 10.20 10.20 10.20 0.43 0.80 +12.0 % 1750 40.1 1.37 8.65 8.65 8.65 0.29 0.85 +12.0 % 1900 40.0 1.40 8.41 8.41 8.41 0.21 0.99 +12.0 % 2000 40.0 1.40 8.33 8.33 8.33 0.30 0.84 +12.0 % 2300 39.5 1.67 7.89 7.89 7.89 0.31 0.84 +12.0 % 2450 39.2 1.80 7.49 7.49 7.49 0.35 0.84 +12.0 % 2600 39.0 1.96 7.31 7.31 7.31 0.24 1.08 + 12.0 % 5250 35.9 4.71 5.20 5.20 5.20 0.30 1.80 %13.1 % 5600 35.6 5.07 4.59 4.59 4.59 0.40 1.80 +13.1 % 5750 35.4 5.22 4.74 4.74 4.74 0.40 1.80 #13.1 % € Frequency validity above 300 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency validity can be extended to + 110 MHz. " At frequencies below 3 GHz, the validity of tissue parameters (s and a) can be relaxed to + 10%if liquid compensation formula is applied to measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and 0) is restricted to + 5%. The uncertainty is the RSS of the ConvF uncertainty for indicated target tissue parameters. © Alpha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is always less than + 1% for frequencies below 3 GHz and below + 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip diameter from the boundary. Certificate No: EX3—3954_Jan18 Page 5 of 11

EX3DV4— SN:3954 January 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3954 Calibration Parameter Determined in Body Tissue Simulating Media Relative Conductivity Depth ° Unc f (MHz)° Permittivity" (S/m)" ConvF X ConvF Y ConvFZ Alpha® _(mm) (k=2) 750 55.5 0.96 10.21 10.21 10.21 0.41 0.84 + 12.0 % 835 55.2 0.97 10.02 10.02 10.02 0.40 0.85 + 12.0 % 1750 53.4 1.49 8.31 6.31 8.31 0.35 0.86 + 12.0 % 1900 53.3 1.52 8.03 8.03 8.03 0.41 0.85 + 12.0 % 2300 52.9 1.81 7.74 7.74 7.74 0.46 0.80 + 12.0 % 2450 52.1 1.95 7.53 7.53 7.53 0.34 0.88 + 12.0 % 2600 52.5 2.16 6.92 6.92 6.92 0.27 1.05 + 12.0 % 5250 48.9 5.36 4.62 4.62 4.62 0.35 1.90 *13.1 % 5600 48.5 5.77 4.05 4.05 4.05 0.40 1.90 * 13.1 % 5750 48.3 5.94 4.18 4.18 4.18 0.40 1.90 + 13.1 % © Frequency validity above 300 MHz of + 100 MHz only applies for DASY v4.4 and higher (see Page 2), else it is restricted to + 50 MHz. The uncertainty is the RSS of the ConvF uncertainty at calibration frequency and the uncertainty for the indicated frequency band. Frequency validity below 300 MHz is + 10, 25, 40, 50 and 70 MHz for ConvF assessments at 30, 64, 128, 150 and 220 MHz respectively. Above 5 GHz frequency validity can be extended to + 110 MHz. " At frequencies below 3 GHz, the validity of tissue parameters (s and &) can be relaxed to + 10% if liquid compensation formula is applied to measured SAR values. At frequencies above 3 GHz, the validity of tissue parameters (s and a) is restricted to + 5%. The uncertainty is the RSS of the ConvF uncertainty for indicated target tissue parameters. © Alpha/Depth are determined during calibration. SPEAG warrants that the remaining deviation due to the boundary effect after compensation is always less than + 1% for frequencies below 3 GHz and below + 2% for frequencies between 3—6 GHz at any distance larger than half the probe tip diameter from the boundary. Certificate No: EX3—3954_Jan18 Page 6 of 11

EX3DV4— SN:3954 January 31, 2018 Frequency Response of E—Field Frequency response (normalized) (TEM—Cell:ifi110 EXX, Waveguide: R22) L*] TEM L* R22 Uncertainty of Frequency Response of E—field: £ 6.3% (k=2) Certificate No: EX3—3954_Jan18 Page 7 of 11

EX3DV4— SN:3954 January 31, 2018 Receiving Pattern (¢), 9 = 0° f=600 MHz,TEM f=1800 MHz,R22 80 90 + * ~+ * # » x is £ . w "w * » «. Heig 135 " s "rsy * 45 135 " * & * 45 * a—~*——« 2006 % ® ® +o. 5>*.. ® x » + * » . « \ x # & « # . « s + a % + x | % # & * X # * * # & $o* +0 > ao¥— I 4 ® ax——*=s s—*~—4 4 f e *kz 40 § o > * — a + L * » «1 o¢+ &0 . e _% i s t + 180. x — A*rrfmciet _ 28 i0 180. w 9t « a )& "oz o4 0608 | t ‘o2, o4 o6 0s ® L. ¢% * % | £o* * *\ \* »o 0. { *—* *+‘%——* ¢ t y *—s——* * 1 &0 + & 604 + } + £ P * 4 % + & * & + * * x % * ® f & y * % * x J & l * .' ® * % * y k * * « * % a 225. * ® 7315 $35°. * . 315 * & * * + * % » «. x + _ £ » ¥ M ¥ 57 — 370 — l € o_ Tot x Y Z Tot x Y Z &nmmdfrmemensennformmesnaefeorscnmscenmaJefrnnmstnencefevtminsmm Error [dB] o i S S ie Brssssesfornsseeneccecrmsfereenseetetetiencdefemmmnsiisisemenihncnceesieesestisiiiieeerennccen Roll [*] 10%10Hz 600 MHz 1860 MHz . 2500 MHz Uncertainty of Axial Isotropy Assessment: £ 0.5% (k=2) Certificate No: EX3—3954_Jan18 Page 8 of 11

EX3DV4— SN:3954 January 31, 2018 Dynamic Range f(SARneaq) (TEM cell , feyi= 1900 MHz) 105 Input Signal [uV] 10%; 10 gds | rkas | sds | j 3. 108 102 101 10° 10 10° 10° SAR [mW/icm3] not compensated compensated Error [dB] T I T 103 102 101 100 101 102 103 SAR [mW/cm3] * not compensated compensated Uncertainty of Linearity Assessment: £ 0.6% (k=2) Certificate No: EX3—3954_Jan18 Page 9 of 11

EX3DV4— SN:3954 January 31, 2018 Conversion Factor Assessment f= 835 MHz,WGLS R9 (H_convF) f= 1900 MHz,WGLS R22 (H_convF) | J 30 | || 5 26—) *n& ‘ * & * a | & wl *\ > SAR [Wkgopw 9 # 2 5 $ o6— w &* |I 10 K | || s — * ces + 1 _ A.,,.E..I.L,,.‘ gf L4 .Lf .LLI boubec 1c3 cfo ced ic —uf 3 P 1O L4 10 15 20 25 30 36 40 5 10 15 20 25 30 36 2 [mm] z [mm] _o] _¢] e Le] analytcal measured analytical measured Deviation from Isotropy in Liquid Error (6, 8), f = 900 MHz 0.6 -— 5 0.4 -= 'fg 0.2 __—____ 0.0 |< 8 .02 _ 0.4 _\ —0.6 == —0.8 —1.0 —— 0 —1.0 —0.8 —0.6 —0.4 —0.2 0.0 0.2 0.4 0.6 0.8 1.0 Uncertainty of Spherical Isotropy Assessment: £ 2.6% (k=2) Certificate No: EX3—3954_Jan18 Page 10 of 11

EX3DV4— SN:3954 January 31, 2018 DASY/EASY — Parameters of Probe: EX3DV4 — SN:3954 Other Probe Parameters Sensor Arrangement Triangular Connector Angle (°) 70.4 Mechanical Surface Detection Mode enabled Optical Surface Detection Mode disabled Probe Overall Length 337 mm Probe Body Diameter 10 mm Tip Length 9 mm Tip Diameter 2.5 mm Probe Tip to Sensor X Calibration Point 1 mm Probe Tip to Sensor Y Calibration Point 1 mm Probe Tip to Sensor Z Calibration Point 1 mm Recommended Measurement Distance from Surface 1.4 mm Certificate No: EX3—3954_Jan18 Page 11 of 11


Document Created: 2018-08-24 13:39:35
Document Modified: 2018-08-24 13:39:35
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